Saturday, May 28, 2016

The Cambrian Explosion - Video

If you need to print The Story of Earth Part 4 activities again, you can download them from here: https://drive.google.com/file/d/0BwW_x9KouNuJSk1VdWFNSkIwbXM/view?usp=sharing

Enjoy watching how Snowball Earth ice melts and the first forms of complex life start on Earth!

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