Friday, February 21, 2014

A Leaf Katydid looks like a Leaf, why?

Why do so many insects look like leaf, stick or tree bark? We talked about evolution and natural selection last week. This video is a nice refresher for the topic.  


The artist Ze Frank made a series of True Facts video. All of them are worth watching. Here are 2 other  that are also related to insects.


Shelly

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