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  • The phenomenon by which male and female sexes could be differentiated morphologically is calledOption: 1 Variation<div class='qna-optio

The phenomenon by which male and female sexes could be differentiated morphologically is called

Option: 1

Variation


Option: 2

Polymorphism


Option: 3

Sexual dimorphism


Option: 4

None of these


Answers (1)

best_answer

 

 

Reproduction and Development in Aschelminthes. -

  • Aschelminthes are dioecious animals, i.e., the male and female reproductive organs are present in different individuals. 
  • Sexual dimorphism is also observed, i.e., females are longer than the males. 
  • Fertilization is internal and development occurs through the larval stage. 
  • Hence, the development is indirect.

The following types of larvae are seen in different roundworms:

  • Filariform larva - hookworm
  • Microfilaria larva - Wuchereria
  • Rhabditiform larva - Ascaris
     

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Aschelminthes show sexual dimorphism, i.e., females are longer than the males.

Posted by

jitender.kumar

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