Topical Terminology > Amniotes
1 Definition
Amniotes
For Amniotes we have a term and definition in Evolution.
Amniotes (Evolution) 
The group of reptiles, birds, and mammals. These all develop through an embryo that is enclosed within a membrane called an amnion. The amnion surrounds the embryo with a watery substance, and is probably an adaptation for breeding on land.
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