What does the completion of the formation of | vedclass

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(A) During the process of gastrulation in animal development,the archenteron (primitive gut) is formed as the cells invaginate into the blastocoel. As

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Obliteration of the blastocoel

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(A) During the process of gastrulation in animal development,the archenteron (primitive gut) is formed as the cells invaginate into the blastocoel. As the archenteron expands,it gradually occupies the space previously held by the blastocoel. Therefore,the completion of the formation of the archenteron signifies the complete obliteration (disappearance) of the blastocoel.

What does the completion of the formation of the archenteron indicate?

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