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  • Members of the phylum Porifera are  Option: 1 Exclusively marine animals  Optio

Members of the phylum Porifera are
 

Option: 1

Exclusively marine animals
 


Option: 2

Exclusively freshwater animal
 


Option: 3

Mostly freshwater animals but few are marine animals
 


Option: 4

Mostly marine animals but few are freshwater animals
 


Answers (1)

best_answer

 

 

Phylum Porifera and Morphological Features of Porifera -

  • Phylum Porifera contains the simplest invertebrate animals. 
  • They are commonly called as ‘sponges’.
  • They possess cellular level of organization. Different cells perform the essential functions of ingestion, digestion, excretion, reproduction etc.
  • They are sessile, that is, they remain fixed at a place. The larvae are capable of swimming.
  • They are filter-feeders.
  • Water current allows their nutrition, circulation and excretion.
  • They possess a characteristic water canal system.
  •  

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Most of the sponges are marine. A few like Spongilla are freshwater sponges.

Posted by

Ritika Kankaria

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