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DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DQ_003588
image
question_images/parts_leaf_1115.png
parts_leaf_1115.png
1
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DQ_003663
image
question_images/parts_leaf_3132.png
parts_leaf_3132.png
0.828277
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DQ_003578
image
question_images/parts_leaf_1113.png
parts_leaf_1113.png
0.823617
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DQ_003758
image
question_images/parts_leaf_3979.png
parts_leaf_3979.png
0.803241
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DD_0110
image
teaching_images/parts_leaf_557.png
This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade.
0.798072
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DQ_003801
image
question_images/parts_leaf_6264.png
parts_leaf_6264.png
0.797563
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DQ_003525
image
question_images/parts_leaf_1087.png
parts_leaf_1087.png
0.796181
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
0.791697
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DQ_003806
image
question_images/parts_leaf_6265.png
parts_leaf_6265.png
0.783053
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
DQ_003635
image
question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.770888
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_1106
text
null
Despite these problems, there is a rich fossil record. How does an organism become fossilized?
0.393992
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_1312
text
null
In photosynthesis, plants use CO2 and create O2 . Photosynthesis is responsible for nearly all of the oxygen currently found in the atmosphere. The chemical reaction for photosynthesis is: 6CO2 + 6H2 O + solar energy C6 H12 O6 (sugar) + 6O2
0.384167
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_3278
text
null
What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for a particular population?
0.382473
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_1117
text
null
Scientists know that the mantle is made of rock based on evidence from seismic waves, heat flow, and meteorites. The properties fit the ultramafic rock peridotite, which is made of the iron- and magnesium-rich silicate minerals (Figure 1.1). Peridotite is rarely found at Earths surface.
0.378645
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_3201
text
null
Along with the skin, the integumentary system includes the nails and hair. Both the nails and hair contain the tough protein, keratin. The keratin forms fibers, which makes your nails and hair tough and strong. Keratin is similar in toughness to chitin, the carbohydrate found in the exoskeleton of arthropods.
0.377982
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_2315
text
null
Did you ever get a splinter in your skin, like the one in Figure 21.11? It doesnt look like a serious injury, but even a tiny break in the skin may let pathogens enter the body. If bacteria enter through the break, for example, they could cause an infection. These bacteria would then face the bodys second line of defense.
0.375405
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_0987
text
null
Now that you know what chemical weathering is, can you think of some other ways chemical weathering might occur? Chemical weathering can also be contributed to by plants and animals. As plant roots take in soluble ions as nutrients, certain elements are exchanged. Plant roots and bacterial decay use carbon dioxide in the process of respiration.
0.372345
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_3491
text
null
Vitamins and minerals are also nutrients. They do not provide energy, but they are needed for good health.
0.37185
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_2163
text
null
The vitamins to watch out for are A, D, E, and K. These vitamins are stored by the body, so they can build up to high levels.
0.369754
DQ_003590
What does the petiole lead to?
question_images/parts_leaf_1115.png
a. Nerves, b. Midrib, c. Blade, d. Vein
b
T_3943
text
null
The particles that make up matter are also constantly moving. They have kinetic energy. The theory that all matter consists of constantly moving particles is called the kinetic theory of matter. You can learn more about it at the URL below.
0.368362
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DQ_003588
image
question_images/parts_leaf_1115.png
parts_leaf_1115.png
1
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DQ_003663
image
question_images/parts_leaf_3132.png
parts_leaf_3132.png
0.828277
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DQ_003578
image
question_images/parts_leaf_1113.png
parts_leaf_1113.png
0.823617
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DQ_003758
image
question_images/parts_leaf_3979.png
parts_leaf_3979.png
0.803241
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DD_0110
image
teaching_images/parts_leaf_557.png
This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade.
0.798072
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DQ_003801
image
question_images/parts_leaf_6264.png
parts_leaf_6264.png
0.797563
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DQ_003525
image
question_images/parts_leaf_1087.png
parts_leaf_1087.png
0.796181
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
0.791697
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DQ_003806
image
question_images/parts_leaf_6265.png
parts_leaf_6265.png
0.783053
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
DQ_003635
image
question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.770888
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_4854
text
null
Examples of machines that increase the distance over which force is applied are leaf rakes and hammers (see Figure which the force is applied, but it reduces the strength of the force.
0.39249
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_4560
text
null
Kinetic energy is the energy of moving matter. Anything that is moving has kinetic energyfrom atoms in matter to stars in outer space. Things with kinetic energy can do work. For example, the spinning saw blade in the photo above is doing the work of cutting through a piece of metal.
0.389705
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_0272
text
null
Thunderstorms are are known for their heavy rains and lightning. In strong thunderstorms, hail and high winds are also likely. Thunderstorms are very common. Worldwide, there are about 14 million of them each year! In the U.S., they are most common and strongest in the Midwest.
0.377087
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_1771
text
null
Thunderstorms are extremely common. Worldwide there are 14 million per year thats 40,000 per day! Most drop a lot of rain on a small area quickly, but some are severe and highly damaging.
0.376848
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_2315
text
null
Did you ever get a splinter in your skin, like the one in Figure 21.11? It doesnt look like a serious injury, but even a tiny break in the skin may let pathogens enter the body. If bacteria enter through the break, for example, they could cause an infection. These bacteria would then face the bodys second line of defense.
0.373317
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_2883
text
null
Complications of diabetes can include the following: eye complications foot complications skin complications high blood pressure hearing issues nerve damage kidney disease artery disease stroke stress
0.373253
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_0117
text
null
There are variations in the traits of a population. For example, there are lots of variations in the color of human hair. Hair can be blonde, brown, black, or even red. Hair color is a trait determined by genes.
0.371911
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_1169
text
null
A rock under enough stress will fracture. There may or may not be movement along the fracture.
0.371812
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_2203
text
null
Blood is a liquid connective tissue. It circulates throughout the body via blood vessels due to the pumping action of the heart. You couldnt survive without the approximately 4.5 to 5 liters of blood that are constantly being pumped through your blood vessels.
0.369072
DQ_003591
Where is Midrib in relation to the Blade?
question_images/parts_leaf_1115.png
a. It is another word for the blade, b. It connects the stem to the blade, c. On the Stem, d. In the middle of the blade
d
T_1447
text
null
Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups.
0.36757
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DQ_003588
image
question_images/parts_leaf_1115.png
parts_leaf_1115.png
1
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DQ_003663
image
question_images/parts_leaf_3132.png
parts_leaf_3132.png
0.828277
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DQ_003578
image
question_images/parts_leaf_1113.png
parts_leaf_1113.png
0.823617
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DQ_003758
image
question_images/parts_leaf_3979.png
parts_leaf_3979.png
0.803241
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DD_0110
image
teaching_images/parts_leaf_557.png
This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade.
0.798072
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DQ_003801
image
question_images/parts_leaf_6264.png
parts_leaf_6264.png
0.797563
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DQ_003525
image
question_images/parts_leaf_1087.png
parts_leaf_1087.png
0.796181
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
0.791697
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DQ_003806
image
question_images/parts_leaf_6265.png
parts_leaf_6265.png
0.783053
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
DQ_003635
image
question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.770888
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_3385
text
null
Plants seem to grow wherever they can. How? Plants cant move on their own. So how does a plant start growing in a new area?
0.502981
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_1598
text
null
Plants and animals depend on water to live. They also play a role in the water cycle. Plants take up water from the soil and release large amounts of water vapor into the air through their leaves (Figure 1.3), a process known as transpiration.
0.477448
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_1312
text
null
In photosynthesis, plants use CO2 and create O2 . Photosynthesis is responsible for nearly all of the oxygen currently found in the atmosphere. The chemical reaction for photosynthesis is: 6CO2 + 6H2 O + solar energy C6 H12 O6 (sugar) + 6O2
0.465521
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_1950
text
null
The most basic division of modern plants is between nonvascular and vascular plants. Vascular plants are further divided into those that reproduce without seeds and those that reproduce with seeds. Seed plants, in turn, are divided into those that produce naked seeds in cones and those that produce seeds in the ovaries of flowers.
0.464177
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_2237
text
null
All known matter can be divided into a little more than 100 different substances called elements.
0.463884
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_1805
text
null
Some fossils form when their remains are compressed by high pressure, leaving behind a dark imprint. Compression is most common for fossils of leaves and ferns, but can occur with other organisms. Click image to the left or use the URL below. URL: Click image to the left or use the URL below. URL:
0.462833
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_3260
text
null
Why do leaves change color each fall? This MIT video demonstrates an experiment about the different pigments in leaves. See the video at . Click image to the left or use the URL below. URL:
0.461056
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_3434
text
null
Water also moves through the living organisms in an ecosystem. Plants soak up large amounts of water through their roots. The water then moves up the plant and evaporates from the leaves in a process called transpiration. The process of transpiration, like evaporation, returns water back into the atmosphere.
0.458454
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_3770
text
null
Why does a tree make sound when it crashes to the ground? How does the sound reach peoples ears if they happen to be in the forest? And in general, how do sounds get started, and how do they travel? Keep reading to find out.
0.45229
DQ_003592
How many parts does the leaf have?
question_images/parts_leaf_1115.png
a. 3, b. 4, c. 2, d. 5
b
T_1106
text
null
Despite these problems, there is a rich fossil record. How does an organism become fossilized?
0.451636
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DQ_003588
image
question_images/parts_leaf_1115.png
parts_leaf_1115.png
1
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DQ_003663
image
question_images/parts_leaf_3132.png
parts_leaf_3132.png
0.828277
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DQ_003578
image
question_images/parts_leaf_1113.png
parts_leaf_1113.png
0.823617
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DQ_003758
image
question_images/parts_leaf_3979.png
parts_leaf_3979.png
0.803241
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DD_0110
image
teaching_images/parts_leaf_557.png
This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade.
0.798072
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DQ_003801
image
question_images/parts_leaf_6264.png
parts_leaf_6264.png
0.797563
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DQ_003525
image
question_images/parts_leaf_1087.png
parts_leaf_1087.png
0.796181
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
0.791697
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DQ_003806
image
question_images/parts_leaf_6265.png
parts_leaf_6265.png
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
DQ_003635
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question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.770888
DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
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Plants seem to grow wherever they can. How? Plants cant move on their own. So how does a plant start growing in a new area?
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
T_1950
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The most basic division of modern plants is between nonvascular and vascular plants. Vascular plants are further divided into those that reproduce without seeds and those that reproduce with seeds. Seed plants, in turn, are divided into those that produce naked seeds in cones and those that produce seeds in the ovaries of flowers.
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
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Plants and animals depend on water to live. They also play a role in the water cycle. Plants take up water from the soil and release large amounts of water vapor into the air through their leaves (Figure 1.3), a process known as transpiration.
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
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All plants have a life cycle that includes alternation of generations. You can see a general plant life cycle in Figure MEDIA Click image to the left or use the URL below. URL:
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
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Water also moves through the living organisms in an ecosystem. Plants soak up large amounts of water through their roots. The water then moves up the plant and evaporates from the leaves in a process called transpiration. The process of transpiration, like evaporation, returns water back into the atmosphere.
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
T_1947
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Some seed plants evolved another major adaptation. This was the formation of seeds in flowers. Flowers are plant structures that contain male and/or female reproductive organs.
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
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An organ is a structure composed of two or more types of tissues that work together to do a specific task. Most modern plants have several organs that help them survive and reproduce in a variety of habitats. Major organs of most plants include roots, stems, and leaves. These and other plant organs generally contain all three major tissue types.
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
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In photosynthesis, plants use CO2 and create O2 . Photosynthesis is responsible for nearly all of the oxygen currently found in the atmosphere. The chemical reaction for photosynthesis is: 6CO2 + 6H2 O + solar energy C6 H12 O6 (sugar) + 6O2
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
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Plants live just about everywhere on Earth. To live in so many different habitats, they have evolved adaptations that allow them to survive and reproduce under a diversity of conditions. Some plants have evolved special adaptations that let them live in extreme environments.
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DQ_003593
How many parts of the plant are there in the diagram?
question_images/parts_leaf_1115.png
a. 5, b. 6, c. 3, d. 4
a
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Cellular respiration and photosynthesis are like two sides of the same coin. This is clear from the diagram in Figure needed for photosynthesis. Together, the two processes store and release energy in virtually all living things.
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DQ_003588
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question_images/parts_leaf_1115.png
parts_leaf_1115.png
1
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DQ_003663
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question_images/parts_leaf_3132.png
parts_leaf_3132.png
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DQ_003578
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question_images/parts_leaf_1113.png
parts_leaf_1113.png
0.823617
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DQ_003758
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question_images/parts_leaf_3979.png
parts_leaf_3979.png
0.803241
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DD_0110
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teaching_images/parts_leaf_557.png
This diagram shows the parts of a leaf. The Blade is the broad flat part of the leaf. The Petiole is the stemlike part of the leaf that joins the blade to the stem. The Stipules are two small flaps that grow at the base of the petiole of some plants. A leaf has several veins. Veins carry food and water in a leaf. They also support the blade. The large central vein which extends from the base of the blade to its tip is called the Midrib. Smaller veins connect the midrib to other parts of the blade.
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DQ_003801
image
question_images/parts_leaf_6264.png
parts_leaf_6264.png
0.797563
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DQ_003525
image
question_images/parts_leaf_1087.png
parts_leaf_1087.png
0.796181
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
0.791697
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DQ_003806
image
question_images/parts_leaf_6265.png
parts_leaf_6265.png
0.783053
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
DQ_003635
image
question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.770888
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
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Plants seem to grow wherever they can. How? Plants cant move on their own. So how does a plant start growing in a new area?
0.494278
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
T_3329
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Seedless plants can reproduce asexually or sexually. Some seedless plants, like hornworts and liverworts, can reproduce asexually through fragmentation. When a small fragment of the plant is broken off, it can form a new plant.
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
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Despite these problems, there is a rich fossil record. How does an organism become fossilized?
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
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Budding occurs when a parent cell forms a bubble-like bud. The bud stays attached to the parent while it grows and develops. It breaks away from the parent only after it is fully formed. Yeasts can reproduce this way. You can see two yeast cells budding in Figure 5.11.
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
T_1312
text
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In photosynthesis, plants use CO2 and create O2 . Photosynthesis is responsible for nearly all of the oxygen currently found in the atmosphere. The chemical reaction for photosynthesis is: 6CO2 + 6H2 O + solar energy C6 H12 O6 (sugar) + 6O2
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
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Plants and animals depend on water to live. They also play a role in the water cycle. Plants take up water from the soil and release large amounts of water vapor into the air through their leaves (Figure 1.3), a process known as transpiration.
0.462037
DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
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Did you ever get a splinter in your skin, like the one in Figure 21.11? It doesnt look like a serious injury, but even a tiny break in the skin may let pathogens enter the body. If bacteria enter through the break, for example, they could cause an infection. These bacteria would then face the bodys second line of defense.
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
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Some fossils form when their remains are compressed by high pressure, leaving behind a dark imprint. Compression is most common for fossils of leaves and ferns, but can occur with other organisms. Click image to the left or use the URL below. URL: Click image to the left or use the URL below. URL:
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
T_1283
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Despite these problems, there is a rich fossil record. How does an organism become fossilized? A rare insect fossil.
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DQ_003594
If the petiole became broken what would happen to the leaf?
question_images/parts_leaf_1115.png
a. It would float upwards in to the sky., b. It would stay attached to the stem., c. It would fall and stay alive., d. It would fall and die.
d
T_1954
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Instead of fleeing, a plants primary way of responding is to change how it is growing. One way is by tropisms.
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