Lizard Penis Evolved Much Faster Than Their Other Parts
Researchers have long suspected that manful genitalia acquire especially rapidly , especially because they can be very unlike even among closely relate species . Hemipenes — the pair male organ used by snake and lounge lizard — consist of a pair of vasiform social system , and the surface of each hemipenis contains a channel through which seminal fluid is conveyed . The shape ranges from cylindric to deeply bilobed , which can be ornamented with spines ....