Evolutionary biologists are not content merely to explain how variation occurs within limits, however. They aspire to answer a much broader question-which is how complex organisms like birds, and flowers, and human beings came into existence in the first place.
“I'm just trying to keep my mind and my body active. The tough part about it is that physically I'm sort of limited.”
“I am an artisan. I only became an artist when people watch what I do. That is when it becomes art.”