Hmmm. That creationist who emailed me a question the other day has sent me another. It’s like feeding raccoons—pretty soon they get the idea they should hang out in swarms around your house, they’re digging in the trash, and they’re pooping all over your lawn. Oh, well, one more time:
Here is another question for you kind consideration:
There are a very large number of species on earth; so many that no one has
been able to count them. Many of them are much older than humans, yet none
of them – not even one of them – evolved to a level comparable to that of
humans? What stopped them? Or, should I say, Who stopped them; and why?
First of all, Mr Creationist, both of your questions so far have been very, very poor—everybody has to start somewhere, I know, but they reflect a near total lack of understanding of anything about evolution or biology. Given that you know zip about biology, isn’t it rather arrogant of you to be questioning the fundamentals of the science? Aren’t you presuming a bit much to be pestering a biology professor with these things rather than cracking a book first and catching up on the basics? I have a list of recommended books; you might want to start with some of the kids’ books first. If you’re more ambitious, try Evolution: The Triumph of an Idea(amzn/b&n/abe/pwll) by Zimmer—it’ll give you the overview you need, with more meat that you can dig into.
But to answer your question briefly now…