Q21 · 2022 · Paper 1Unclassified2 marks
QUESTION 21 (2 marks)
Describe two reproductive strategies used to distinguish K-strategists from r-strategists.
Strategy 1:
Strategy 2:
WORKED SOLUTION
2 marksQCAA guide · typeset solution
QCAA sample response and mark allocation
21 | Strategy 1: Number of offspring — K-strategists have fewer offspring than r-strategists. Strategy 2: Age of reproduction — K-strategists reproduce at a later age than r-strategists. | • describes one reproductive strategy used to distinguish K-strategists from r-strategists [1 mark] • describes a second reproductive strategy used to distinguish K-strategists from r-strategists [1 mark] |
QCAA sample response and marking criteria reproduced from the official guide.
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