Arms that are longer than the legs, and a short stable lumbar spine are traits associated with
A) brachiation
B) vertical clinging and leaping
C) arboreal quadrupedalism
D) terrestrial quadrupedalism
E) full-time bipedalism

Question

Quizplus · Accepted Answer

Arms that are longer than legs are a characteristic of animals that primarily use brachiation, such as gibbons and some species of monkeys. The short, stable lumbar spine helps to facilitate the swinging motion required for brachiation.

Arms That Are Longer Than the Legs, and a Short