The great adaptive radiation of hominoids in the Miocene is attributable to ____.
A) the proliferation of complex forests
B) an extended heating and drying trend
C) the advent of bipedalism
D) the evolution of a large brain
E) changes in tooth structure

Question

The great adaptive radiation of hominoids in the Miocene is attributable to ____.
A) ​the proliferation of complex forests
B) ​an extended heating and drying trend
C) ​the advent of bipedalism
D) ​the evolution of a large brain
E) ​changes in tooth structure

Quizplus · Accepted Answer

An extended heating and drying trend led to the proliferation of open grasslands, which in turn led to the evolution of bipedalism and other adaptations that allowed hominoids to exploit this new environment.

The Great Adaptive Radiation of Hominoids in the Miocene Is