Q30 · Practice questionSimple familiar1 mark
QUESTION 30
A shark and a dolphin independently evolved streamlined bodies while adapting to swimming. This similarity is an example of
(A)
convergent evolution
(B)
divergent evolution
(C)
coevolution
(D)
genetic drift
WORKED SOLUTION
1 markAnswer A
Answer
A
Working
Similar aquatic selection pressures favoured similar body shapes in distantly related lineages. Independent acquisition of similar features is convergent evolution; it does not imply a recent common ancestor with that body shape.
Marking criteria
- Select A. [1 mark]
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabus