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  • The spongocoel of sponges is connected to the outer environment through an opening called  Option: 1 Ostium  <d

The spongocoel of sponges is connected to the outer environment through an opening called
 

Option: 1

Ostium
 


Option: 2

Osculum
 


Option: 3

Choanoderm
 


Option: 4

Pinacoderm
 


Answers (1)

best_answer

 

 

 

Morphological Features of Porifera

  • The name ‘Porifera’ signifies the body made up of pores. 
  • Most of the sponges are asymmetric cylindrical in shape with a large central cavity called the spongocoel. 
  • There are numerous pores in the body wall called the ostia (sing. ostium) through which water moves in the spongocoel.
  • Water leaves the spongocoel through a large pore called osculum.
     

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Water leaves the spongocoel through a large pore called osculum.

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Rishabh

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