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In Echinodermata, fertilization is ____and development is _____

Option: 1

Internal, direct


Option: 2

Internal, indirect


Option: 3

External, direct


Option: 4

External, indirect


Answers (1)

best_answer

 

 

 

Reproduction and Development in Echinoderms:

  • They are dioecious animals. Sexes are separate.
  • Usually external fertilization takes place.
  • Development is indirect with the formation of free-swimming larvae.
  • They also show high capacity of regeneration.
     

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Usually external fertilization takes place. Development is indirect with the formation of free­swimming larvae.

Posted by

Ritika Kankaria

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