Question

Difference between the medusa of Obelia and ephyra of Aurelia

Answer 1

Answer:

The hydra tuba grows into a trumpet-like asexual polypoid scyphistoma which by strobilation or metamorphosis produces the Aurelia medusa. Obelia are commonly called swimming bell where as Aurelia are commonly called jelly fish. In Obelia medusa phase is reduced where as in Aurelia medusa phase is dominant.