SCIENCE
ZOOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cnidarians have a swimming form with a downard pointing mouth called a
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Polyp
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Spirocyst
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Medusa
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Spicule
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Explanation:
Detailed explanation-1: -The second structural form that cnidarians have is called the medusa form. Medusa bodies are shaped like an umbrella with the mouth and tentacles hanging down in the water. The mouth leads upward into the gastrovascular cavity.
Detailed explanation-2: -Basic body forms Most adult cnidarians appear as either free-swimming medusae or sessile polyps, and many hydrozoans species are known to alternate between the two forms.
Detailed explanation-3: -Hydrozoa are a class of jellyfish in the Phylum Cnidaria. Many of them show a phenomenon known as an alternating life cycle, which includes a benthic stalked (polyp) form, and free-swimming jellyfish (medusa) form.
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