All of the following coelenterates show alternation of generation except:
Correct answer: A. Hydra
- A. Hydra
- B. Obelia
- C. Aurelia
- D. None of these
Explanation
Hydra remains in the polyp form and reproduces asexually by budding, so it does not show alternation between polyp and medusa generations. Students may choose Aurelia because its life cycle is complex, but Aurelia does show alternation of generations, as does Obelia.
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