Author Question: Why is the amniotic egg considered an important evolutionary breakthrough? A) It (Read 690 times)

federox

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Why is the amniotic egg considered an important evolutionary breakthrough?
A) It has a shell that increases gas exchange.
B) It allows deposition of eggs in a terrestrial environment.
C) It prolongs embryonic development.
D) It provides insulation to conserve heat.
E) It permits internal fertilization to be replaced by external fertilization.



theo

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