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  • Which of the following is the sexually reproducing stage in coelenterates?  Option: 1 Polyp  <div class='qna-op

Which of the following is the sexually reproducing stage in coelenterates?
 

Option: 1

Polyp
 


Option: 2

Medusa
 


Option: 3

Both A and B
 


Option: 4

None of the above


Answers (1)

best_answer

 

 

Reproduction, Development and Metagenesis in Cnidaria -

  • The reproduction occurs through both asexual and sexual means. 
  • Budding is the common method of asexual reproduction. 
  • Sexual reproduction occurs through the formation of gametes. 
  • Cnidarians exhibit metagenesis, i.e., alternation of generation. There are two body forms:
  • Polyp: It is fixed and sessile form with mouth and tentacles facing upwards. It reproduces asexually by budding to form the second body form.
  • Medusa: It is free-floating form with mouth and tentacles facing downwards. It reproduces sexually to form polyps. 


 

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Medusa is the freefloating form with mouth and tentacles facing downwards. It reproduces sexually to form polyps.

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