The transition from brachiation to knucklewalking occurred because __________.
A) drying and cooling caused vast forests to break up into smaller areas
B) apes shifted to terrestrial food sources
C) the body size of great apes made brachiation impossible
D) brachiation proved to be an inefficient form of locomotion

Question

Quizplus · Accepted Answer

The transition from brachiation to knucklewalking is believed to have occurred due to environmental changes, such as drying and cooling, which led to the fragmentation of forests. This forced apes to adapt to more terrestrial forms of locomotion.

The Transition from Brachiation to Knucklewalking Occurred Because __________