The sex of mammals is determined by

The term creationism most often refers to belief in special creation; the claim that the universe and lifeforms were created as they exist today by divine action, and On the Origin of Species reflects theological views. Though he thought of religion as a tribal survival strategy, Darwin still believed that God was the ultimate lawgiver, and later recollected that at the time he was convinced of the existence of God as a First Cause and deserved to be called a theist.

Explanation: