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6
|
Are dominated by grasses
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8
|
A plant that grows on other plants
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9
|
In the tundra, a permanently frozen layer of ground
|
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10
|
A feeding level in an ecosystem
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11
|
A biome near the equator characterized by large amounts of rain and sunlight
|
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12
|
Very large terrestrial ecosystems that contain a number of smaller but related ecosystems within them.
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13
|
An organism that obtains nutrients from dead plants and animals
|
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14
|
Process in which carbon is cycled through the biosphere
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15
|
The interconnected food chains in an ecosystem
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|
16
|
A consumer that eats other consumers
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17
|
A heterotroph that obtains energy from organic molecules made by other organisms
|
|
18
|
A consumer that eats primary producers
|
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19
|
The movement of water between the ground, the atmosphere, and bodies of water
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