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Questions  >>  CBSE XII  >>  Biology
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Q)

While living in and on the host species, the animal parasite has evolved certain adaptations. Descri

While living in and on the host species, the animal parasite has evolved certain adaptations. Describe these adaptations with examples.

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A)
Adaptations developed would be as follows:

Resistant eggs and cysts

Presence of adhesive organs like suckers and hooks as in tapeworm, suckers in leech.

Loss of certain body organs as wings in Bedbugs and louse.

Anaerobic respiration

Higher rate of multiplication.

 Adaptation for transfer to new host.

 Involvement of one or more intermediate hosts Example: snail, fish in human liver fluke   
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