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Functioning ecosystems and succession — Question 2

QCAA 2025, Paper 1 · 1 mark

Q2 · 2025 · Paper 1Unclassified1 mark

QUESTION 2

The diagram shows energy flow through an ecosystem in kJ m−2 year−1. Shaded boxes represent

Biology question figure

7800

Primary consumers

5060

Calculate the percentage of solar energy available to primary consumers.

(A) 0.1%

(B) 0.2%

(C) 0.4%

(D) 0.5%

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