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Clarification
An '''amniotic egg''' is an egg which has a shell and can hold water. It allows [[reptile]], [[bird]], and some [[mammal]] [[embryo]]s to develop.
An '''amniotic egg''' is an egg which has a shell and can hold water. The eggs can be, (given the animal and species), "hard" (rigid) or "soft" a tough (leathery) shell. While watertight, most shells are gas permeable. The shell allows [[reptile]], [[bird]], and some [[mammal]] [[embryo]]s to develop.
[[Category:Reproduction]]
[[Category:Reproduction]]