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13-04-2018
Biology

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Why is the amniotic egg considered an important evolutionary breakthrough? it has a shell that increases gas exchange. it allows deposition of eggs in a terrestrial environment?

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BioWizard BioWizard

22-04-2018

The correct answer is it allows deposition of eggs in a terrestrial environment. Amniotic egg allowed the first reptiles to colonize dry land via the ater-impermeable amniotic membrane. This membrane envelops the fluid-filled amniotic cavity and has a function in preventing the desiccation.

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