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9.2 Energy transfer and biodiversity

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Question 1
F

Here is a food chain from a pond.

algae → \rightarrow\,→ water fleas → \rightarrow\,→ minnows → \rightarrow\,→ perch

a.

Name the producer in this food chain.

[1]
b.

State the trophic level of the minnows.

[1]
c.

Only some of the energy in the water fleas is transferred to the minnows.

Give two ways in which energy is transferred away from the water fleas so that it does not reach the minnows.

[2]
d.

State what is meant by biodiversity.

[1]
Markscheme

9.2 Energy transfer and biodiversity Questions

  1. GCSE
  2. /Biology
  3. /9.2 Energy transfer and biodiversity

38 exam-style questions on Edexcel GCSE Biology 9.2 Energy transfer and biodiversity, covering 9.2.1 Energy transfer between trophic levels, 9.2.2 Efficiency of energy transfers, 9.2.3 Human interactions and biodiversity, 9.2.4 Benefits of maintaining biodiversity, and 9.2.5 Biological factors affecting food security. Each one has a worked solution and a mark scheme showing where the marks go.

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