Which marine coelenterates reproduce sexually?

The coelenterates include hydra, polyps, and jellyfish, but the marine life includes polyps and jellyfish. These representatives are able to reproduce both asexually and sexually. Some species, such as jellyfish, have a complex life cycle with alternating sexual and asexual generations. In this regard, the following classes are distinguished: hydroid – the polyp stage prevails, scyphoid – the jellyfish stage prevails, coral – the jellyfish stage is absent.



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