How do birds reproduce?

1.	How do birds reproduce?
Answer» Birds, like every vertebrate, have sexual reproduction. Their embryos develop within shelled eggs containing extraembryonic membranes and outside the mother’s body. Birds copulate. Fecundation is internal and it occurs only before the female gamete is involved by the calcareous eggshell.

Answer»

Birds, like every vertebrate, have sexual reproduction. Their embryos develop within shelled eggs containing extraembryonic membranes and outside the mother’s body.

Birds copulate. Fecundation is internal and it occurs only before the female gamete is involved by the calcareous eggshell.

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How do birds reproduce?

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