Smarty Pants Quiz
09
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What do scientists call four legged vertebrates that first appeared in the late Devonian period, 367.5 million years ago
Longipods
Superpods
Tetrapods
Ipod
Wrong! Try again!
All land vertebrates are known as tetrapods, from the Greek words for "four legs."
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09
00
00
What do scientists call four legged vertebrates that first appeared in the late Devonian period, 367.5 million years ago
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