By A Mystery Man Writer
It’s thought that the evolution of turtles
A turtle shell is not a shell at all but is made up of specially evolved ribs.
The turtle shell, which is made up of about 50 different bones, actually is an evolutionary modification of the rib cage and part of the vertebral column : r/Awwducational
Solving the riddle of the turtle shell
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How The Turtle Got Its Shell
Fact Checks Archive, Page 240
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