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  • In starfishOption: 1 Central nerve ring is presentOption: 2 Five radial rings are present</

In starfish

Option: 1

Central nerve ring is present


Option: 2

Five radial rings are present


Option: 3

Both A and B


Option: 4

None of these


Answers (1)

best_answer

 

 

 

Nervous System in Echinoderms:

  • They have a simple nervous system with a central nerve ring and five radial rings. There is no grouping of nerves, so brain-like structure is absent. 

 

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They have a simple nervous system with a central nerve ring and five radial rings. There is no grouping of nerves, so brain­like structure is absent.

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Deependra Verma

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