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Question
A coelenterate commonly known as 'Fresh water Polyp' is
A coelenterate commonly known as 'Fresh water Polyp' is
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Solution
The correct option is B Hydra
Hydra is a small, freshwater animal belonging to the phylum Cnidaria. Polyps have a cylindrical body which is elongated at the axis. The body is vase-shaped. They can attach to the base or substrate with the help of holdfast cell or can attach to other polyps. Many organisms transform from polyp to medusa when they enter the adult stage. However, the Hydra remain as polyp throughout the life. Thus, the correct answer is option B.
Hydra is a small, freshwater animal belonging to the phylum Cnidaria. Polyps have a cylindrical body which is elongated at the axis. The body is vase-shaped. They can attach to the base or substrate with the help of holdfast cell or can attach to other polyps. Many organisms transform from polyp to medusa when they enter the adult stage. However, the Hydra remain as polyp throughout the life.
Thus, the correct answer is option B.
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