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A human embryo doesn't need the kind of yolk that is present in a chick embryo. Explain. It doesn’t need any nourishment. It gets its nourishment from its mother. It can synthesize its own food.
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A human embryo doesn't need the kind of yolk that is present in a chick embryo. Explain. It doesn’t need any nourishment. It gets its nourishment from its mother. It can synthesize its own food.

User IGHOR
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It gets its nourishment from its mother. The human embryo is connected to its mother by a placenta through which materials are passed.
User EscalinNancy
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