4.2 Vocab Flashcards

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1
Q

Food chain

A

A series of steps in an ecosystem in which organisms transfer energy by eating and being eaten

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2
Q

Phytoplankton

A

Photosynthetic algae found near the surface of the ocean

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3
Q

Food web

A

Network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

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4
Q

Trophic level

A

Each step in a food chain or food web

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5
Q

Ecological pyramid

A

Illustration of the relative amounts of energy or matter contained within each trophic level in a given food chain or web

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6
Q

Biomass

A

Total amount of living tissue within a given trophic level

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