The laryngeal nerve in a giraffe travels from the brain, down the neck, and then up again to the larynx. However, the larynx and brain are quite close to each other. What principle of natural selection is illustrated by this very long nerve?

Adaptive radiations can be a direct consequence of four of the following five factors. selectthe exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that another group uses as food