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The amniotic egg is an egg that evolved in the vertebrate lineage.
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So we have any, all amniotes have an amniotic egg.
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In amniotes that lay eggs, the amniotic egg is a shelled egg that protects an embryo from drying out and allows them to lay eggs on land.
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So in order to lay eggs on land, there's certain parts of the amniotic egg that allows it to survive.
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So one of those is the amnion.
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Of course, that's where the name comes from, which is a liquid sac filled with amniotic liquid that protects the embryo.
00:39
So it surrounds the embryo.
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So let's say this is our embryo.
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The liquid will surround it like this and protect it from any movement or injury...