Q2 · 2024 · Paper 2Unclassified3 marks
QUESTION 2 (3 marks)
a) Define carrying capacity.
[1 mark]
b) Identify two factors that affect the carrying capacity of plant species in an ecosystem.
[2 marks]
WORKED SOLUTION
3 marksQCAA guide · typeset solution
QCAA sample response and mark allocation
2a) | Carrying capacity is the size of the population that can be supported indefinitely on the available resources and services of an ecosystem. | • provides an appropriate definition [1 mark] |
2b) | Availability of space Availability of nutrients | • identifies one factor that affects the carrying capacity of plant species in an ecosystem [1 mark] • identifies a second factor that affects the carrying capacity of plant species in an ecosystem [1 mark] |
QCAA sample response and marking criteria reproduced from the official guide.
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