Which of the following is a feature of nemathelminthes?

Alimentary canal with two openings

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Segmented body plan

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Radial symmetry

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Acoelomate

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Solution

The correct option is A
Alimentary canal with two openings

Roundworms have an alimentary canal. which is a tube containing specialized digestive organs with two external openings - a mouth and an anus. This is sometimes referred to as a one-way traffic digestive system. Segmented body plan appeared in annelids. radial symmetry is exhibited by echinoderms. Sponges are acoelomate.

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__________ is the opening at the end of alimentary canal through which solid waste matter leaves the body.

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