The gastrula stage is characterized by which | vedclass

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(B) The gastrula stage is a critical phase in embryonic development where the single-layered blastula is reorganized into a multi-layered structure ca

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Invagination of the archenteron

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(B) The gastrula stage is a critical phase in embryonic development where the single-layered blastula is reorganized into a multi-layered structure called the gastrula. This process is known as gastrulation. $A$ key characteristic of this stage is the formation of the primitive gut,known as the $archenteron$. This occurs through the process of invagination,where cells move inward to form the cavity. Therefore,the gastrula stage is characterized by the invagination of the $archenteron$.

The gastrula stage is characterized by which of the following?

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