Year 7

Ecosystems and food webs

Read feeding relationships, distinguish matter cycling from energy flow and predict simple population changes.

Subtopics

Producers, consumers and food webs

Identify feeding roles and follow arrows showing energy transfer.

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Worked examples Practice

Energy flow and matter cycling

Distinguish energy transfer from recycling of matter and read supplied transfer data.

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Worked examples Practice

Biotic and abiotic changes

Classify environmental factors and predict first effects in a stated food web.

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Worked examples Practice