B10. Energy flow in ecosystems Flashcards

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1
Q

Principle source of energy

A

the Sun

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2
Q

Food chain

A

the flow of energy from one organism to the next beginning with a producer

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3
Q

Food web

A

a network of interconnected food chains showing the energy flow through part of an ecosystem

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4
Q

Producer

A

an organism that makes its own organic nutrients, usually using energy from sunlight and through photosynthesis

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5
Q

Consumer

A

an organism that gets its energy by feeding on other organisms

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6
Q

Herbivore

A

an animal that gets its energy by eating plants

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7
Q

Carnivore

A

an animal that gets its energy by eating other animals

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8
Q

Decomposer

A

an organism that gets its energy from dead or waste organic matter

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9
Q

Ecosystem

A

a unit containing all of the organisms and their environment interacting together in a given area

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10
Q

Trophic level

A

the position of an organism in a food chain or food web

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