Which statement describes a prokaryotic cell? A.) An amoeba with a vacuole

B.) A blood cell from an animal

C.) A plant cell with chloroplasts

D.) A bacteria without a nucleus

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