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Dermal branchiae (papulae) present in star fish take part in 

Option: 1

Respiration 


Option: 2

Excretion 


Option: 3

Both 1 and 2


Option: 4

Producing current of water 


Answers (1)

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As we have learned

Respiratory organ in echinodermata -

Include dermal branchiae, tube feet, respiratory tree and bursae.

-

 

 Star fish belongs to phylum Echinodermata 

 

Posted by

Divya Prakash Singh

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