Evolution For Dummies
Chapter One
What Evolution Is and Why
You Need to Know
In This Chapter
* Understanding what evolution is
* Introducing the scientific field of evolutionary biology
* Realizing why evolution is relevant
Evolution. You've no doubt heard about it, and you've probably seen
a show or two about it on TV, but its significance likely escapes you.
Watching a bunch of scientists on the Discovery Channel dig in the dirt with
little toothbrushes and get really excited about some little bit of bone or a
tooth may leave you thinking, "Well, yes, those do look like teeth, and they
certainly do seem old, but ..." A tooth, you say to yourself, is hardly reason
to trade high fives and uncork champagne bottles. At times like these, evolution
can seem pretty slippery. After all, there's got to be more to it than a
stray fossilized tooth or bone fragment.
Well, there is. Evolution explains how we (and I'm using we collectively to
mean all living organisms: you, me, and all other animals; moss, trees, and ... read full excerpt from Evolution For Dummies ebook