The mode of nutrition in Platyhelminthes is:

Autotrophic

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Heterotrophic

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Parasitic

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All of the above

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Solution

The correct option is B Heterotrophic
Phylum Platyhelminthes includes unsegmented, triploblastic, acoelomate, bilaterally symmetrical and dorsoventrally flattened flatworms.
Flatworms can be free-living or parasitic. Free-living worms have a heterotrophic mode of nutrition. Parasitic worms depend on the host for food which is again a type of heterotrophic nutrition.
Thus, the correct answer is option B.

Suggest Corrections

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Question 3
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