Question

explain in points yolk sac in chick​

Answer 1

Answer:

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The chick embryo is nourished on yolk throughout its entire pre-natal life, the yolk sac being the organ responsible for the uptake of yolk and its digestion.

Explanation:

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Answer 2

The yolk sac supplies food material to the embryo. The amnion, by enclosing the embryo, provides protection. The allantois serves as a respiratory organ, gets minerals from the shell, and handles waste. These temporary organs function within the egg until the time of hatching.