““Remarkable changes in [both] the skeleton and internal organs” were required to evolve turtles from non-turtles.”” “Another required change concerns the scapulae (‘shoulder blades’), which in other vertebrates are located outside of the rib cage, except in turtles, where they are located inside the rib cage (along with the humerus and several other bones).” “Why is it that uniquely in turtles the shoulder blade lies inside the ribcage, instead of being located...
Read MoreTurtle Time #2: How did the shoulder blade get inside the ribs??
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