Question
In the metagenesis of Aurelia and Obelia what is the form that produces gametes? What is the form that reproduces asexually?

Answers

In the metagenesis of some coelenterates, like Aurelia and Obelia,






there is alternation between polypoid and medusoid forms. The polyps reproduce asexually originating medusae that then liberate gametes. The male and female gametes unite under water to form the zygote that then develops into larva and later originates another polyp. The form that reproduces asexually is the polyp. Polyps give birth to medusae by budding in Obelia and by strobilization in Aurelia.   Your Comment






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