What is a food chain?

A food chain is a diagram showing how energy passes from organism to organism, or in other words, the feeding relationships within a community. 

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In ecology, what are 'producers'? 

Producers are organisms that can produce their own food molecules.


They are usually green plants or algae and produce their food molecules by photosynthesis. 

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In ecology, what are 'consumers'?

Consumers are organisms that consume other organisms to get the food molecules (and thus energy) they require.

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In ecology, what are primary consumers?

Primary consumers are organisms that eat producers.

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In ecology, what are secondary consumers?

Secondary consumers are organisms that eat primary consumers. 

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In ecology, what are tertiary consumers?

Tertiary consumers are organisms that eat secondary consumers. 

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What is a predator?

A predator is an animal that hunts and kills other animals for food.

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What happens to the most of the energy as it passes along a food chain?

Most of the energy is lost the surroundings.

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In ecology, what is prey?

Prey is an animal that is hunted and killed by another animal for food.

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How is a food web different to a food chain?

Food webs show all the interactions between the species in a community. They are effectively multiple food chains combined.

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