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Question

Which of the following is characterized by the presence of an enormous float?

A
Physalia
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B
Velella
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C
Gorgonia
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D
Alcyonium
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Solution

The correct option is A Physalia
Physalia shows a big float called as pneumatophore. Below this pneumatophore, stalk is absent and all the zooids are arranged below the float.
Therefore, the correct answer is option A.

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