In order to evolve large brains, our ancestors had to reduce the energy spent on other functions. Which of the following is not hypothesized to be an energy-saving adaption?
A) walking upright
B) hunting in groups
C) cooperation with others in the community
D) having large numbers of children

Question

Quizplus · Accepted Answer

Having large numbers of children is not hypothesized to be an energy-saving adaptation. In fact, having more children would require more energy to be invested in reproductive processes, rather than being available for other functions such as brain development. Walking upright, hunting in groups, and cooperation with others in the community are all hypothesized to be energy-saving adaptations that allowed for the evolution of larger brains.

In Order to Evolve Large Brains, Our Ancestors Had to Reduce