Among the following organisms which is a completely non-parasitic form?
A
Sea anemone
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B
Tapeworm
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C
Leech
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D
Mosquito
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Solution
The correct option is A Sea anemone Sea anemone is not parasitic. It shows mutualism with hermit crab. Tapeworm is an endoparasite while leech and mosquito are exoparasites. Hence the correct option is A.