Q7 · 2021 · Paper 1Unclassified1 mark
QUESTION 7
In a long-term study of grasshopper colour in a grassland ecosystem, it was found that the most abundant phenotype changed from dark green to straw yellow.
This change in the phenotype is an example of
(A) diversifying selection.
(B) directional selection.
(C) stabilising selection.
(D) disruptive selection.
WORKED SOLUTION
1 markAnswer B
OFFICIAL ANSWERB
QCAA awards 1 mark for selecting option B.
Correct option from the official QCAA answer key.