Food chains & food webs

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What is the main route by which energy enters an ecosystem?
Photosynthesis
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Name the order of a food chain?
Producer - primary consumer - secondary consumer - tertiary consumer - quaternary consumer
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What is each stage in a food chain referred to?
Trophic level
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What do the arrows in a food chain represent?
The direction of energy flow.
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What is a producer?
Photosynthetic organisms that manufacture organic substances (plants)
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What is a consumer?
Organisms that obtain their energy bu feeding on other organisms rather than using energy of sunlight directly (animals)
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What is a decomposer?
Microorganisms that break down complex materials into simple compenants again, releasing minerals and elements that can be absorbed by plants again (fungi and bacteria)
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What is the negative of food chains?
Relationships are not fixed as they can change depending on time of year, age, and population size
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Other cards in this set

Card 2

Front

Name the order of a food chain?

Back

Producer - primary consumer - secondary consumer - tertiary consumer - quaternary consumer

Card 3

Front

What is each stage in a food chain referred to?

Back

Preview of the front of card 3

Card 4

Front

What do the arrows in a food chain represent?

Back

Preview of the front of card 4

Card 5

Front

What is a producer?

Back

Preview of the front of card 5
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