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Select the Taxon mentioned that represents both marine and fresh water species:

  • Option 1)

    Echinoderms

  • Option 2)

    Ctenophora

  • Option 3)

    Cephalochordata

  • Option 4)

    Cnidaria

 

Answers (2)

best_answer

 

Phylum porifera -

Most primitive multicellular organism having pores in their body walls.(Known as ostia).They are mostly marine, few freshwater.The only phylum without nerves cells.

- wherein

Spongilla,Sycon,Euspongia.

 

 Members of ctenophora, cephalochordata and echinodermata are exclusively marine. 


Option 1)

Echinoderms

incorrect

Option 2)

Ctenophora

incorrect

Option 3)

Cephalochordata

incorrect

Option 4)

Cnidaria

correct

Posted by

prateek

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Posted by

Abhishek singh

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