As a result of evolutionary history,which of the following structures is the most underdeveloped at birth?

Question

Quizplus · Accepted Answer

The brain is the most underdeveloped structure at birth because human infants have smaller brains relative to their body size compared to other mammals. This is due to the fact that the human brain size is limited by the size of the maternal birth canal, and increasing it further would make human childbirth difficult and dangerous. As a result, the human brain undergoes rapid growth and development during the first few years of life.

As a Result of Evolutionary History,which of the Following Structures