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4
|
the movement of soil and rock particle to move a short distance down a slope
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6
|
animals that only eat plants
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7
|
the number of individuals of one species that occupy the same area
|
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9
|
animals that only eat other animals
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10
|
a land zone that supports living things, like a grassland
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11
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rock particles are picked up and moved to another location
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13
|
animals that feed on dead animals
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14
|
living things in an ecosystem
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15
|
the place an organism lives
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16
|
living things that can make their own food
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17
|
animals that feed on both plants and animals
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