Every so often, someone on television or online says something like this: "Extinction is natural. Species have been dying out since life began. When one disappears, another takes its place. Humans are part of nature, so anything we do is natural too. So why worry about it?" It sounds reasonable for about ten seconds. Let's take it apart. Yes. Species have always come and gone, whether or not people were around to notice. But there is a real difference between the slow rise and fall of species over millions of years and a bulldozer flattening a forest this afternoon.
This lesson is part of Certified Junior Herpetologist. Enrollment is self-paced, with no deadline to finish (about 30 hours).