Why the Turtle Got Its Shell by Laurel Hamers | Free Audiobook

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Title: Why the Turtle Got Its Shell
Author: Laurel Hamers
Narrator: John N. Gully
Format: Unabridged
Length: 2 mins
Language: English
Release date: 07-27-16
Publisher: Science News
Genres: Science & Technology, Magazine & Radio

Summary:
Turtle shells didnt get their start as natural armor, it seems. The reptiles ancestors might have evolved partial shells for burrowing instead, new research suggests. Only later did the hard body covering become useful for protection. The findings might help explain how turtle ancestors survived the extinction of most of Earths plants and animals about 252 million years ago.
"Why the Turtle Got Its Shell" is from the August 6, 2016 issue of Science News.

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