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Why the eye? :

Introducing the visionaries...

In this module, you'll study the vision of five different animals:

If you can't see or operate the above interactive item, you can try to get the Flash player or view a static version of the interactive content.

Squid photo provided by the National Oceanic and Atmospheric Administration/Department of Commerce; shark photos provided by George H. Burgess, Florida Program for Shark Research; mouse photo provided by George W. Robinson © California Academy of Sciences; fly photos provided by Joyce Gross; flatworm photos © Larry Jon Friesen

Why the eye?
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