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1
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_003488
image
abc_question_images/types_leaves_14496.png
types_leaves_14496.png
1
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_004215
image
question_images/types_leaves_4496.png
types_leaves_4496.png
0.928098
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_003468
image
abc_question_images/types_leaves_14400.png
types_leaves_14400.png
0.854869
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_004127
image
question_images/types_leaves_4397.png
types_leaves_4397.png
0.852413
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_004130
image
question_images/types_leaves_4400.png
types_leaves_4400.png
0.838736
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_003495
image
abc_question_images/types_leaves_14708.png
types_leaves_14708.png
0.835559
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_004389
image
question_images/types_leaves_6314.png
types_leaves_6314.png
0.831607
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_004157
image
question_images/types_leaves_4410.png
types_leaves_4410.png
0.829745
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_003504
image
abc_question_images/types_leaves_14726.png
types_leaves_14726.png
0.828075
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
DQ_003441
image
abc_question_images/types_leaves_10959.png
types_leaves_10959.png
0.824231
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
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.
0.593321
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
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.
0.574455
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
T_1698
text
null
How well soil forms and what type of soil forms depends on several different factors, which are described below.
0.569228
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
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?
0.568359
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
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:
0.567273
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
T_0116
text
null
Every organism is different from every other organism. Every organisms genes are different, too.
0.565354
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
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.
0.561272
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
b
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.
0.556685
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
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:
0.554127
DQ_003490
Identify an entire leaf:
abc_question_images/types_leaves_14496.png
a. W, b. P, c. T, d. Y
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.
0.554118
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003491
image
abc_question_images/types_leaves_14498.png
types_leaves_14498.png
1
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003492
image
abc_question_images/types_leaves_14499.png
types_leaves_14499.png
0.854143
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003460
image
abc_question_images/types_leaves_11029.png
types_leaves_11029.png
0.795913
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003504
image
abc_question_images/types_leaves_14726.png
types_leaves_14726.png
0.794214
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003502
image
abc_question_images/types_leaves_14712.png
types_leaves_14712.png
0.786761
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003449
image
abc_question_images/types_leaves_10988.png
types_leaves_10988.png
0.785462
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003365
image
abc_question_images/parts_leaf_13149.png
parts_leaf_13149.png
0.78247
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003327
image
abc_question_images/parts_leaf_11090.png
parts_leaf_11090.png
0.777176
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003824
image
question_images/parts_leaf_6269.png
parts_leaf_6269.png
0.769226
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
DQ_003353
image
abc_question_images/parts_leaf_13131.png
parts_leaf_13131.png
0.76685
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
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?
0.501899
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
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:
0.494349
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
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.
0.485073
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
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.
0.475226
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
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:
0.47017
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
T_0081
text
null
Index fossils are commonly used to match rock layers in different places. You can see how this works in Figure
0.464955
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
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.
0.464611
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
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.
0.463953
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
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.
0.461365
DQ_003491
Which leaf is unlobed?
abc_question_images/types_leaves_14498.png
a. V, b. K, c. D, d. M
c
T_2971
text
null
Gymnosperms have seeds, but they do not produce fruit. Instead, the seeds of gymnosperms are usually found in cones. There are four phyla of gymnosperms: 1. Conifers 2. Cycads 3. Ginkgoes 4. Gnetophytes
0.460736
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_003492
image
abc_question_images/types_leaves_14499.png
types_leaves_14499.png
1
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_003491
image
abc_question_images/types_leaves_14498.png
types_leaves_14498.png
0.854143
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_004223
image
question_images/types_leaves_4499.png
types_leaves_4499.png
0.84643
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_003504
image
abc_question_images/types_leaves_14726.png
types_leaves_14726.png
0.780411
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_003502
image
abc_question_images/types_leaves_14712.png
types_leaves_14712.png
0.771269
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_003460
image
abc_question_images/types_leaves_11029.png
types_leaves_11029.png
0.759324
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_003327
image
abc_question_images/parts_leaf_11090.png
parts_leaf_11090.png
0.734429
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_004378
image
question_images/types_leaves_6312.png
types_leaves_6312.png
0.72294
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_003449
image
abc_question_images/types_leaves_10988.png
types_leaves_10988.png
0.721682
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
DQ_003365
image
abc_question_images/parts_leaf_13149.png
parts_leaf_13149.png
0.715321
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
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.
0.598519
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
T_1447
text
null
Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups.
0.591495
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
T_1698
text
null
How well soil forms and what type of soil forms depends on several different factors, which are described below.
0.586116
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
T_1467
text
null
Organic substances are the carbon-based compounds made by living creatures and include proteins, carbohydrates, and oils. Inorganic substances have a structure that is not characteristic of living bodies. Coal is made of plant and animal remains. Is it a mineral? Coal is a classified as a sedimentary rock, but is not a mineral.
0.58454
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
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.
0.574951
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
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.
0.572434
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
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.
0.570864
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
T_2417
text
null
Secondary succession occurs in a formerly inhabited area that was disturbed.
0.56901
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
T_1314
text
null
As part of the hydrologic cycle, water spends a lot of time in the atmosphere, mostly as water vapor. The atmosphere is an important reservoir for water. Chlorophyll indicates the presence of photosynthesizing plants as does the veg- etation index.
0.562662
DQ_003492
Which label refers to the marginal leaf?
abc_question_images/types_leaves_14499.png
a. A, b. Y, c. W, d. None
a
T_2237
text
null
All known matter can be divided into a little more than 100 different substances called elements.
0.562567
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_003493
image
abc_question_images/types_leaves_14707.png
types_leaves_14707.png
1
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_004254
image
question_images/types_leaves_4707.png
types_leaves_4707.png
0.897145
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_003504
image
abc_question_images/types_leaves_14726.png
types_leaves_14726.png
0.859038
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_003471
image
abc_question_images/types_leaves_14402.png
types_leaves_14402.png
0.816865
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_003488
image
abc_question_images/types_leaves_14496.png
types_leaves_14496.png
0.816222
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_003495
image
abc_question_images/types_leaves_14708.png
types_leaves_14708.png
0.810857
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_003468
image
abc_question_images/types_leaves_14400.png
types_leaves_14400.png
0.80993
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_003508
image
abc_question_images/types_leaves_14728.png
types_leaves_14728.png
0.805702
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_004157
image
question_images/types_leaves_4410.png
types_leaves_4410.png
0.795865
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
DQ_004135
image
question_images/types_leaves_4402.png
types_leaves_4402.png
0.792564
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
T_2534
text
null
Both types of reproduction have certain advantages.
0.468476
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
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.
0.467609
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
T_1447
text
null
Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups.
0.464922
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
T_2023
text
null
Chordates have three embryonic cell layers: endoderm, mesoderm, and ectoderm. They also have a segmented body with a complete coelom and bilateral symmetry. In addition, chordates have a complete digestive system, central nervous system, and circulatory system.
0.46257
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
T_0091
text
null
The rate of decay of unstable isotopes can be used to estimate the absolute ages of fossils and rocks. This type of dating is called radiometric dating.
0.461682
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
T_3491
text
null
Vitamins and minerals are also nutrients. They do not provide energy, but they are needed for good health.
0.461267
DQ_003493
Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
T_1604
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Radioactivity is the tendency of certain atoms to decay into lighter atoms, a process that emits energy. Radioactivity also provides a way to find the absolute age of a rock. First, we need to know about radioactive decay.
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Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
T_4202
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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.
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Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
T_1106
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Despite these problems, there is a rich fossil record. How does an organism become fossilized?
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Which Letter represents the Cordate?
abc_question_images/types_leaves_14707.png
a. k, b. e, c. s, d. u
c
T_0293
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Climate is the average weather of a place over many years. It includes average temperatures. It also includes average precipitation. The timing of precipitation is part of climate as well. What determines the climate of a place? Latitude is the main factor. A nearby ocean or mountain range can also play a role.
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Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_003493
image
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1
DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_004254
image
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0.897145
DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_003504
image
abc_question_images/types_leaves_14726.png
types_leaves_14726.png
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DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_003471
image
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types_leaves_14402.png
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Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_003488
image
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0.816222
DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_003495
image
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types_leaves_14708.png
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DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_003468
image
abc_question_images/types_leaves_14400.png
types_leaves_14400.png
0.80993
DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_003508
image
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types_leaves_14728.png
0.805702
DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_004157
image
question_images/types_leaves_4410.png
types_leaves_4410.png
0.795865
DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
DQ_004135
image
question_images/types_leaves_4402.png
types_leaves_4402.png
0.792564
DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
T_1598
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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_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
T_1797
text
null
The two types of air pollutants are primary pollutants, which enter the atmosphere directly, and secondary pollutants, which form from a chemical reaction.
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DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
T_0460
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null
Most pollutants enter the air when fossil fuels burn. Some are released when forests burn. Others evaporate into the air.
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DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
T_1312
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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
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DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
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.
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DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
T_0293
text
null
Climate is the average weather of a place over many years. It includes average temperatures. It also includes average precipitation. The timing of precipitation is part of climate as well. What determines the climate of a place? Latitude is the main factor. A nearby ocean or mountain range can also play a role.
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DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
T_3491
text
null
Vitamins and minerals are also nutrients. They do not provide energy, but they are needed for good health.
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Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
T_3434
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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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Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
T_0024
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Flowing water slows down when it reaches flatter land or flows into a body of still water. What do you think happens then? The water starts dropping the particles it was carrying. As the water slows, it drops the largest particles first. The smallest particles settle out last.
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DQ_003494
Which letter represents the Peltate leaf?
abc_question_images/types_leaves_14707.png
a. M, b. J, c. Y, d. S
b
T_3260
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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:
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