In the given figure,identify the label marked $(a):-$

  • A
    Mesogloea
  • B
    Mesoderm
  • C
    Endoderm
  • D
    Ectoderm

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Similar Questions

If the digestive tract is open at only one end,it is called ......... .

Define the following terms:
$(i)$ Triploblastic
$(ii)$ Coelom

The symmetry found in an animal which can be divided into two similar halves by one plane only is:

In this type of circulatory system, veins are absent.

Assertion $A$: Annelids and Arthropods exhibit bilateral symmetry.
Reason $R$: In Annelids and Arthropods,the animal body is divided into equal parts along radial directions.
Which option is correct for Assertion $A$ and Reason $R$?

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