Evidence of Evolution
The life forms on our planet have been changing over time for more than three and a half billion years.
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Courtesy of NASA
Click on image for full size
Courtesy of NASA
Welcome to the Evidence of Evolution Exploratour!
This Windows to the Universe Exploratour examines the scientific evidence of biological evolution. It is available at the intermediate and advanced levels only. To travel through the tour, click the back button and choose the intermediate level at the top of your screen. To choose a different tour, click the blue button called "Go on another tour"!
Last modified October 15, 2011 by Jennifer Bergman.