CIE IGCSE Biology Flashcards: Food chains and food webs

Created by: Varshini
Created on: 09-03-13 14:47

Food chain

A chart showing the flow of energy (food) from one organism to the next beginning with a producer (e.g. mahogany tree → caterpillar → song bird → hawk)

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Food web

A network of interconnected food chains in showing the energy flow through part of an ecosystem.

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Producer

An organism that makes its own organic nutrients, usually using energy from sunlight, through photosynthesis.

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Consumer

An organism that gets its energy by feeding on other organisms.

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Herbivore

An animal that gets its energy by eating plants.

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Carnivore

An animal that gets its energy by eating other animals.

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Decomposer

An animal that gets its energy by feeding on dead or waste organic matter.

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Ecosystem

A unit containing all of the organisms and their environment, interacting together, in a given area e.g. decomposing log or a lake.

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Trophic level

The position of an organism in a food chain, food web or pyramid of biomass, numbers or energy.

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Other cards in this set

Card 2

Front

A network of interconnected food chains in showing the energy flow through part of an ecosystem.

Back

Food web

Card 3

Front

An organism that makes its own organic nutrients, usually using energy from sunlight, through photosynthesis.

Back

Card 4

Front

An organism that gets its energy by feeding on other organisms.

Back

Card 5

Front

An animal that gets its energy by eating plants.

Back

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CIE IGCSE Biology Flashcards: Food chains and food webs

Other cards in this set

Card 2

Front

Back

Card 3

Front

Back

Card 4

Front

Back

Card 5

Front

Back

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