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One example of animals having a single o...

One example of animals having a single opening to the outside that serves both as mouth as well as anus is

A

Fasciola

B

Octopus

C

Asterias

D

Ascidia

Text Solution

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The correct Answer is:
A
In fasciola there is only one opening at anterior end. The anterior end of body is in the form of conical projection called the head lobe at tip of which oral sucker having mouth is present
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