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 favors 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
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Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Appendix attached to cecum into which the small intestine empties.
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Normal compound eye of adult Drosophila