амнионско јаје

амнионско јаје

An egg that can be laid on land due to the presence of a fluid-filled amniotic sac (amnion) that cushions and protects the developing embryo. amniote - n. Any of a group of land-dwelling vertebrates that have an amnion during embryonic development, including reptiles, birds, and mammals. Most extant mammals give live birth, the egg being retained inside the body during gestation.

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Catégorie : Zoologie
Company: Berkeley
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