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  • The sponges are  Option: 1 Asymmetrical and floating  Option: 2 Sym

The sponges are
 

Option: 1

Asymmetrical and floating
 


Option: 2

Symmetrical and sessile
 


Option: 3

Symmetrical and floating
 


Option: 4

Asymmetrical and sessile
 


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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Sponges (Porifera) are asymmetrical and sessile animals.

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Rakesh

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