29.Hooks and suckers are present in Parasitic forms of A. Echinoderms B. Ctenophora C. Cnidaria D. Platyhelminthes

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Muskan Anand

2 years ago

Option D. Structures found in parasitic species are hooks and suckers. Hooks help the body get hooked to the host's organs and the suckers help it to absorb nutrients from the host tissues.

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