Question

Which if the following is a characteristic specific to primates?

a. Body hair
b. Rotation at the shoulder joint
c. Notochord
d. Ability to control body temperature

Answer 1

I think it is B.

Step-by-step explanation:

Hope my answer has helped you!

Answer 2

We know that more than just primates have body hair, the ability to control their body temperature and a notochord/spine (later one in development). One of the only things that makes them unique thence is their ability to rotate their shoulder joints.