Why was the development of proto-amphibians so significant to life on early earth?
A. We’re th...
Why was the development of proto-amphibians so significant to life on early earth?
A. We’re the first organisms with bilateral symmetry
B. We’re the first organisms to reproduce sexually
C. We’re the first organisms not confined to a water environment
D. Contributed huge amounts of oxygen to the atmosphere
Answers: 1
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