Turtle shells evolved for digging, **t protection
 

http://cdn.slashgear.com/wp-content/...80-680x383.jpgTurtles shells, given their protective nature, are assumed to have evolved for the purpose of protection. That may **t be the case, however, at least according to a newly published study. Though shells do provide protection for modern turtles, researchers believe the earliest instances of these shells were used for burrowing, **t withstanding the jaws of a predator. Burrowing underground … Continue readinghttp://feeds.feedburner.com/~r/slashgear/~4/vF8Pv--ZV2M

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