Why Is the Amniotic Egg Considered an Important Evolutionary Breakthrough

question 74

Multiple Choice

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.

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Definitions:

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