CIE IGCSE Biology Flashcards: Food chains and food webs

Flashcards for the definitions of the food chains and food webs chapter for Cambridge International Examinations IGCSE Biology.

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  • 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

Preview of the back of card 3

Card 4

Front

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

Back

Preview of the back of card 4

Card 5

Front

An animal that gets its energy by eating plants.

Back

Preview of the back of card 5
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Comments

Annie Hart

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Just to let you know... that a decomposer eats other dead animals, not other animals... otherwise really really good... i had  lo of fun... which is saying something for Biology... lol xxxx