When looking at a human,which of the following appeared earliest in evolutionary history?
A)large brain
B)lumbar curve
C)fingernails
D)closed eye socket

Question

Quizplus · Accepted Answer

Fingernails appeared earliest in evolutionary history, evolving from the claws found in earlier ancestors. This adaptation is seen in primates and is linked to the need for fine manipulation and gripping, traits that developed well before the large brains, lumbar curves, and closed eye sockets characteristic of later human evolution.

When Looking at a Human,which of the Following Appeared Earliest