The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favours the evolution of the latter, more radical, kind of metamorphosis?
A)natural selection of sexually immature forms of insects
B)changes in the homeobox genes governing early development
C)the evolution of meiosis
D)the development of an oxidizing atmosphere on Earth
E)the origin of a brain

Question

Quizplus · Accepted Answer

Changes in the homeobox genes governing early development can lead to more drastic changes in the morphology of the larvae and adults. This can allow for the evolution of larvae that look completely different from adults and occupy different ecological niches.

The Larvae of Some Insects Are Merely Small Versions of the Adult