Microlecithal eggs are found in

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(D) Microlecithal eggs are those that contain a very small or negligible amount of yolk.In $Eutheria$ (placental mammals),the eggs are alecithal or mi

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Eutheria

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(D) Microlecithal eggs are those that contain a very small or negligible amount of yolk.In $Eutheria$ (placental mammals),the eggs are alecithal or microlecithal because the developing embryo receives nutrition directly from the mother through the placenta.In contrast,$Reptilia$,$Aves$,and many $Amphibia$ produce macrolecithal or mesolecithal eggs,which contain a large amount of yolk to support the developing embryo outside the mother's body.

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