A sessile and cylindrical form called polyp is not found in ….(a) Obelia
(b) Adamsia(c) Hydra
(d) Aurelia
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hey mate here is your answer
option is D
Aurelia
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The correct option is D) Aurelia.
Explanation:
- Aurelia is a scyphozoan, which means that the polyp phase is frequently lacking. They are mainly seen in the form of bell-shaped medusas.
- Polyps, such as Hydra and Adamsia, are sessile, cylindrical structures with a mouth and tentacles pointing upwards.
- Medusae can develop polyps following sexual reproduction, whereas polyps can develop medusae by vegetative budding.
- This characteristic is known as polymorphism, and it aids in the division of labour.
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