Smarty Pants Quiz
What do scientists call four legged vertebrates that first appeared in the late Devonian period, 367.5 million years ago
All land vertebrates are known as tetrapods, from the Greek words for "four legs."
Wow, you're so smart! Try this!
09
00
00
What do scientists call four legged vertebrates that first appeared in the late Devonian period, 367.5 million years ago
3 of 5 people (60%) answered
this question correctly.
0 of 12 questions completed