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  • Type of metamorphosis in Cephalochordates is Option: 1 Retrogressive metamorphosis <div class='

Type of metamorphosis in Cephalochordates is 

Option: 1

Retrogressive metamorphosis 


Option: 2

Progressive metamorphosis 


Option: 3

Metamorphosis absent 


Option: 4

Either 1 and 2 


Answers (1)

best_answer

 

 

Phylum Cephalochordata - Characteristics Features -

  • The animals of Cephalochordata have notochord, dorsal hollow nerve cord, pharyngeal gill slits and post-anal tail in the adult stage. The notochord is present in the head region. Hence, their name is cephalochordata.
  • They possess a fish-like segmented body.
  • They do not have a distinct brain.
  • They are filter feeders. 
     

-

 

 

 The adults of cephalochordates do not lose the advance chordate features. This is called progressive metamorphosis.

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Ritika Harsh

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