Adaptive radiation may occur when
A) clades occupy ecological niches in the absence of competition.
B) key innovations within a clade allow exploitation of new niches.
C) environmental changes open new ecological niches and allow for key innovations.
D) all of the above

Question

Quizplus · Accepted Answer

Adaptive radiation can occur due to all the mentioned scenarios: when clades occupy ecological niches without competition, when key innovations within a clade allow for the exploitation of new niches, and when environmental changes open up new ecological niches allowing for key innovations.

Adaptive Radiation May Occur When