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Many scientists believe life was able to leave the waters edge and move further in on land, away from the water, due to a development of...

A) amniotic eggs.
B) reptiles.
C) better shelters.
D) four-chambered hearts.

User Sennett
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2 Answers

4 votes
I believe reptiles, from what I remember


User Fabiola
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7 votes
A...................
User Holodnyalex
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