Deck 11 Flashcards

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1
Q

Producer

A

An organism that can make its own food.

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2
Q

Consumer

A

An organism that obtains energy by feeding on other organisms

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3
Q

Detritivore

A

organism that feeds on plant and animal remains and other dead matter

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4
Q

Decomposer

A

An organism that breaks down wastes and dead organisms

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5
Q

energy pyramid

A

A diagram that shows the amount of energy that moves from one feeding level to another in a food web

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6
Q

biochemical cycle

A

the circulation of substances through living organisms from or to the environment.

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7
Q

Eutrophication

A

rapid algal growth caused by an excess of nitrates (NO3)- and phosphates (PO4)3- in water

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8
Q

Physical Disturbance

A

anything that changes the physical structure of the habitat (fire, waves, tree-fall, plowing)

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9
Q

resource depletion

A

the act of using resources faster than they can be restored or replaced

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10
Q

habitat loss

A

The destruction of habitats that usually results from human activities

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11
Q

anthropogenic climate change

A

climate change which is human caused, either directly or indirectly

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