Question

A fossil of a new primate species is discovered. Scientists hypothesize that the species traveled long distances without putting their hands down on the ground, and used tools. If this hypothesis is true, which trait would the fossil most likely have?

Answer 1

Answer:

B - A curve in the lumber region of the spine

Answer 2

If this is true, than the animal that is embedded in this fossil most likely would have had opposable thumbs, which are crucial for using tools and climbing trees.