One of the most critical adaptations of the reptiles in relation to their life on land is the evolution of the

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The amniotic egg is the key adaptation of reptiles that allows them to lay their eggs on land and complete their life cycle without the need for water. The amniotic egg is enclosed in a protective shell, has an amnion sac filled with fluid that protects the embryo, and a yolk sac that provides nutrients. The amniotic egg allows reptiles to lay their eggs on land, avoiding the need to return to water for reproduction.

One of the Most Critical Adaptations of the Reptiles in Relation