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Functioning ecosystems and succession — Question 26

QCAA 2023, Paper 1 · 3 marks

Q26 · 2023 · Paper 1Unclassified3 marks

QUESTION 26 (3 marks)

Wedge-tailed eagles are large birds that reside in tall trees, where they build nests for their young. They often feed on ground-dwelling herbivores such as kangaroos and rabbits.

The graph shows the number of wedge-tailed eagles observed in an ecosystem over time.

Biology question figure

Number of eagles

a) Determine the carrying capacity of wedge-tailed eagles in this ecosystem. [1 mark]

b) Explain how a change to one abiotic factor could reduce the carrying capacity. [2 marks]

Question linkQCAA assessment resources

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