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| An organism that can make its own food |
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| An orgaism that obtains energy by feeding on other organisms |
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| A consumer that eats only plants |
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| A consumer that eats only animals |
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| A consumer that eats both plants and animals |
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| A carnivore that feeds on the bodies of dead organisms |
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| An organism that breaks down wastes and dead organisms |
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| A series of events in which one organism eats another and obtains energy |
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| The pattern of overlapping food chains in an ecosystem |
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| A diagram that shows the amount of energy that moves from one feeding level to another in a food web |
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| A group of land ecosystems wit similar climates and organisms |
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| The contiunuous process by which water moves from earth's surface to the atmoshere and back |
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| The process of changing free nitrogen gas into a usable form |
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| The area between the highest high-tidew line and lowest low-tide line |
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| The region of shallow ocean water over the continental shelf |
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