Teaching Evolution

A blog devoted to teaching evolution, both in our schools and in our communities.

Wednesday, August 10, 2005

DNA Traces Evolution of Sabretooths, American Cheetah-Like Cat

Interesting analysis of how computer models and DNA evidence can be used to help us learn about the relationships among big cats. It turns out that the modern African cheetah and an extinct American species that looks like the cheetah are an example of parallel evolution. They have similar features because they experienced similar environments, but genetically they're not closely related.


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