The evolutionary theory that suggests dwindling vegetation in trees provided a competitive environment in which early human ancestors that developed ________________ were more likely to survive.
A)greater visual capacity
B)larger brain size
C)bipedal locomotion
D)competitive behaviour

Question

Quizplus · Accepted Answer

The theory posits that as forests receded and grasslands expanded, early human ancestors who developed bipedal locomotion (the ability to walk on two legs) could travel more efficiently across open landscapes, see over tall grasses to spot predators and prey, and free their hands for tool use and carrying objects, which provided a survival advantage in the new environment.

The Evolutionary Theory That Suggests Dwindling Vegetation in Trees Provided