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Mammals vs. Reptiles

Thread starter Jim
Start date Oct 13, 2018

Jim

Justified & Ancient

Oct 13, 2018

#1

Recent theory by scientist shows that a major factor that separated mammals from there reptile ancestors is the variations in the spine.
https://www.sciencedaily.com/releases/2018/09/180920160949.htm

Xanatic*

Antediluvian

Oct 13, 2018

#2

Fight! Fight! Fight!

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