What Is Sexual Selection and Why Is It Important?

"Most guys misunderstand prehistory. They misunderstand the instincts," he says. "They don't really have an accurate picture of, you know, caveman life." He explains how sexual selection is a key part of evolution for humans and all social primates. For most living creatures, past a certain point, staying alive isn't super difficult,. It's always a struggle every day, but it's a struggle that you generally have solved.