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[Visitor (140.206.*.*)]answers [Chinese ]Time :2021-05-30
Egg birth refers to the reproductive mode in which an animal's eggs develop into new individuals in the mother's body before producing the mother's reproductive form. This is the result of long-term animal adaptation, is the animal's long-term adaptation to the adverse environment formed reproduction mode, so that the mother to the embryo to protect and hatch.

Star sharks, saw sharks, horn sharks, nurse sharks, some poisonous snakes (such as sea snakes) and birth lizards are all egg-born animals.

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