QUESTION 4 (5 marks)
The hummingbird hawkmoth (phylum: Arthropoda) is named for its similarity to hummingbirds (phylum: Chordata). The two species have independently developed similar feeding structures, which they use to draw nectar from tube-shaped flowers. Both species help plants reproduce by distributing their pollen.
a) Identify the diversification pattern demonstrated by the hummingbird and the hummingbird hawkmoth. [1 mark]
[1 mark]
b) Use the principles of natural selection to explain the similarities between the two species. [2 marks]
c) Explain how coevolution of the hummingbird hawkmoth and tube-shaped flowers may have occurred. [2 marks]
QCAA guide · typeset solution
QCAA sample response and mark allocation
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