Assertion :Canal system is found in sponges. Reason: Starfish is a type of sponge.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is C Assertion is correct but Reason is incorrect.
Body of all sponges is the perforated by large number of apertures through which water enters Inside body and flows through a system of various criss- cross canals collectively forming the canal system, which is a main feature of poriferans. The canal system serves the function of food collection, respiration and excretion.
Starfish or sea stars are star-shaped echinoderms, belonging to the class Asteroidea.
Hence, option C is the correct answer.

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