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The formation of mesoderm as evaginated ...

The formation of mesoderm as evaginated sacs from the archenteron is characteristic of

A

Pila

B

Pentaceros

C

Physalia

D

Palamnaeus

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The correct Answer is:
B
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ARIHANT NEET-ANIMALIA-II (HIGHER INVERTEBRATES) -Chapter Exercises A) Taking it together (Assorted Questions of the Chapter for Advanced Level Practice)
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  7. The aboral surface of Antedon bears

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  9. In annelids , the nephridia which open outside the nephridiophores are...

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