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DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
1
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
DQ_003663
image
question_images/parts_leaf_3132.png
parts_leaf_3132.png
0.794255
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
DQ_003588
image
question_images/parts_leaf_1115.png
parts_leaf_1115.png
0.791697
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
DQ_003329
image
abc_question_images/parts_leaf_11091.png
parts_leaf_11091.png
0.763495
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
DQ_003635
image
question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.762882
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
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.
0.761071
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
DQ_004175
image
question_images/types_leaves_4424.png
types_leaves_4424.png
0.759308
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
DQ_004407
image
question_images/types_leaves_6319.png
types_leaves_6319.png
0.757953
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
DQ_003724
image
question_images/parts_leaf_3842.png
parts_leaf_3842.png
0.757953
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
DQ_003522
image
question_images/parts_leaf_1085.png
parts_leaf_1085.png
0.752538
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
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?
0.606799
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
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.
0.581295
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
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.
0.572238
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
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.
0.56932
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
T_1106
text
null
Despite these problems, there is a rich fossil record. How does an organism become fossilized?
0.558192
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
T_2956
text
null
Scientists used to think that fungi were members of the plant kingdom. They thought this because fungi had several similarities to plants. For example: Fungi and plants have similar structures. Plants and fungi live in the same kinds of habitats, such as growing in soil. Plants and fungi cells both have a cell wall, which animals do not have.
0.553191
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
T_1698
text
null
How well soil forms and what type of soil forms depends on several different factors, which are described below.
0.548383
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
T_1947
text
null
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.
0.542538
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
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
0.541906
DQ_003540
What is the stem-like part of the leaf that joins the blade to the stem?
question_images/parts_leaf_1091.png
a. Margin, b. Stipule, c. Midrib, d. Petiole
d
T_3234
text
null
Your heart pumps blood around your body. But how does your heart get blood to and from every cell in your body? Your heart is connected to blood vessels such as veins and arteries. Organs that work together form an organ system. Together, your heart, blood, and blood vessels form your cardiovascular system. What other organ systems can you think of?
0.540037
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
1
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
DQ_003663
image
question_images/parts_leaf_3132.png
parts_leaf_3132.png
0.794255
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
DQ_003588
image
question_images/parts_leaf_1115.png
parts_leaf_1115.png
0.791697
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
DQ_003329
image
abc_question_images/parts_leaf_11091.png
parts_leaf_11091.png
0.763495
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
DQ_003635
image
question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.762882
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
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.
0.761071
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
DQ_004175
image
question_images/types_leaves_4424.png
types_leaves_4424.png
0.759308
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
DQ_004407
image
question_images/types_leaves_6319.png
types_leaves_6319.png
0.757953
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
DQ_003724
image
question_images/parts_leaf_3842.png
parts_leaf_3842.png
0.757953
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
DQ_003522
image
question_images/parts_leaf_1085.png
parts_leaf_1085.png
0.752538
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
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?
0.497085
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
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:
0.486267
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
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.
0.463146
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
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
0.462593
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
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.
0.449084
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
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.
0.443922
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
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.
0.441372
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
T_1106
text
null
Despite these problems, there is a rich fossil record. How does an organism become fossilized?
0.4372
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
T_3941
text
null
Why do different states of matter have different properties? Its because of differences in energy at the level of atoms and molecules, the tiny particles that make up matter.
0.437086
DQ_003541
How many midribs in a leaf?
question_images/parts_leaf_1091.png
a. 3, b. 4, c. 1, d. 2
c
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.
0.43655
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
1
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
DQ_003663
image
question_images/parts_leaf_3132.png
parts_leaf_3132.png
0.794255
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
DQ_003588
image
question_images/parts_leaf_1115.png
parts_leaf_1115.png
0.791697
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
DQ_003329
image
abc_question_images/parts_leaf_11091.png
parts_leaf_11091.png
0.763495
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
DQ_003635
image
question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.762882
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
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.
0.761071
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
DQ_004175
image
question_images/types_leaves_4424.png
types_leaves_4424.png
0.759308
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
DQ_004407
image
question_images/types_leaves_6319.png
types_leaves_6319.png
0.757953
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
DQ_003724
image
question_images/parts_leaf_3842.png
parts_leaf_3842.png
0.757953
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
DQ_003522
image
question_images/parts_leaf_1085.png
parts_leaf_1085.png
0.752538
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
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.
0.630016
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
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.
0.62518
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
T_1106
text
null
Despite these problems, there is a rich fossil record. How does an organism become fossilized?
0.62147
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
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?
0.607757
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
T_2237
text
null
All known matter can be divided into a little more than 100 different substances called elements.
0.604602
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
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
0.601408
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
T_2956
text
null
Scientists used to think that fungi were members of the plant kingdom. They thought this because fungi had several similarities to plants. For example: Fungi and plants have similar structures. Plants and fungi live in the same kinds of habitats, such as growing in soil. Plants and fungi cells both have a cell wall, which animals do not have.
0.600582
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
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.
0.599616
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
T_1698
text
null
How well soil forms and what type of soil forms depends on several different factors, which are described below.
0.596788
DQ_003542
How many parts are there in the stipulate leaf?
question_images/parts_leaf_1091.png
a. 1, b. 2, c. 3, d. 4
c
T_0326
text
null
Biotic factors are the living parts of ecosystems. They are the species of living things that reside together.
0.595924
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
1
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
DQ_003663
image
question_images/parts_leaf_3132.png
parts_leaf_3132.png
0.794255
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
DQ_003588
image
question_images/parts_leaf_1115.png
parts_leaf_1115.png
0.791697
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
DQ_003329
image
abc_question_images/parts_leaf_11091.png
parts_leaf_11091.png
0.763495
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
DQ_003635
image
question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.762882
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
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.
0.761071
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
DQ_004175
image
question_images/types_leaves_4424.png
types_leaves_4424.png
0.759308
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
DQ_004407
image
question_images/types_leaves_6319.png
types_leaves_6319.png
0.757953
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
DQ_003724
image
question_images/parts_leaf_3842.png
parts_leaf_3842.png
0.757953
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
DQ_003522
image
question_images/parts_leaf_1085.png
parts_leaf_1085.png
0.752538
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
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.
0.599488
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
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.
0.591401
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
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?
0.575806
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
T_1106
text
null
Despite these problems, there is a rich fossil record. How does an organism become fossilized?
0.569906
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
T_2956
text
null
Scientists used to think that fungi were members of the plant kingdom. They thought this because fungi had several similarities to plants. For example: Fungi and plants have similar structures. Plants and fungi live in the same kinds of habitats, such as growing in soil. Plants and fungi cells both have a cell wall, which animals do not have.
0.560527
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
T_3234
text
null
Your heart pumps blood around your body. But how does your heart get blood to and from every cell in your body? Your heart is connected to blood vessels such as veins and arteries. Organs that work together form an organ system. Together, your heart, blood, and blood vessels form your cardiovascular system. What other organ systems can you think of?
0.559611
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
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.
0.55614
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
T_1283
text
null
Despite these problems, there is a rich fossil record. How does an organism become fossilized? A rare insect fossil.
0.552512
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
T_2015
text
null
The majority of arthropods are insects (Class Insecta). In fact, more than half of all known organisms are insects. There may be more than 10 million insect species in the world, although most of them have not yet been identified. In terms of their numbers and diversity, insects clearly are the dominant animals in the world.
0.551778
DQ_003543
What is the middle part that bisects a leaf called?
question_images/parts_leaf_1091.png
a. midrib, b. stipule, c. vein, d. petiole
a
T_3065
text
null
Many insects are considered to be pests by humans. However, insects are also very important for numerous reasons.
0.548086
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
DQ_003538
image
question_images/parts_leaf_1091.png
parts_leaf_1091.png
1
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
DQ_003663
image
question_images/parts_leaf_3132.png
parts_leaf_3132.png
0.794255
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
DQ_003588
image
question_images/parts_leaf_1115.png
parts_leaf_1115.png
0.791697
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
DQ_003329
image
abc_question_images/parts_leaf_11091.png
parts_leaf_11091.png
0.763495
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
DQ_003635
image
question_images/parts_leaf_1124.png
parts_leaf_1124.png
0.762882
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
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.
0.761071
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
DQ_004175
image
question_images/types_leaves_4424.png
types_leaves_4424.png
0.759308
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
DQ_004407
image
question_images/types_leaves_6319.png
types_leaves_6319.png
0.757953
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
DQ_003724
image
question_images/parts_leaf_3842.png
parts_leaf_3842.png
0.757953
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
DQ_003522
image
question_images/parts_leaf_1085.png
parts_leaf_1085.png
0.752538
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_2534
text
null
Both types of reproduction have certain advantages.
0.540722
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_1447
text
null
Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups.
0.539191
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_4202
text
null
Carbon is a very common ingredient of matter because it can combine with itself and with many other elements. It can form a great diversity of compounds, ranging in size from just a few atoms to thousands of atoms. There are millions of known carbon compounds, and carbon is the only element that can form so many different compounds.
0.529411
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_4715
text
null
Compare and contrast the basic properties of matter, such as mass and volume.
0.523804
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_2237
text
null
All known matter can be divided into a little more than 100 different substances called elements.
0.519988
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_2385
text
null
Two important concepts associated with the ecosystem are niche and habitat.
0.512337
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_2459
text
null
Besides the four parts listed above, many cells also have a nucleus. The nucleus of a cell is a structure enclosed by a membrane that contains most of the cells DNA. Cells are classified in two major groups based on whether or not they have a nucleus. The two groups are prokaryotic cells and eukaryotic cells.
0.505152
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_3941
text
null
Why do different states of matter have different properties? Its because of differences in energy at the level of atoms and molecules, the tiny particles that make up matter.
0.503811
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_0326
text
null
Biotic factors are the living parts of ecosystems. They are the species of living things that reside together.
0.499608
DQ_003544
Which component isn't part of an exstipulate?
question_images/parts_leaf_1091.png
a. Stipule, b. Blade, c. Petiole, d. Margin
a
T_4844
text
null
An electric circuit consists of at least one closed loop through which electric current can flow. Every circuit has a voltage source such as a battery and a conductor such as metal wire. A circuit may have other parts as well, such as lights and switches. In addition, a circuit may consist of one loop or two loops.
0.499441