What can cause cancer to develop? A. Synthesis of a repressor protein

B. Disruption of the cell cycle

C. Turning off of genes during differentiation

D. Structural genes that are active

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