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Question

Archenteron is cavity in

A
Blastula
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B
Gastrula
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C
Neurula
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D
Morula
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Solution

The correct option is C Gastrula
A metazoan embryo in an early state of germ layer formation following the blastula stage, consisting of a cuplike body of two layers of cells, the ectoderm and endoderm, enclosing a central cavity, or archenteron, that opens to the outside by the blastopore, in most animals progressing to the formation of a third cell layer, the mesoderm.
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