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10 organisms for Asexual reproduction Jelly Fish After fertilization and initial growth, a larval form, called the planula, develops from the egg. The planula larva is small and covered with cilia. It settles onto a firm surface and develops into a polyp. The polyp is cup-shaped with tentacles surrounding a single orifice, perhaps resembling a tiny sea anemone. Once the polyp begins reproducing asexually by budding, it's called a segmenting polyp, or a scyphistoma. New scyphistomae may be produced by budding or new, immature jellies called ephyra may be formed. Many jellyfish can bud off new medusae directly from the medusan stage. Aphids Male and female aphids mate in autumn. Sexual females, but also asexual ones, have two sex chromosomes while sexual males only have one. The aphids may go on reproducing gamogenetically (asexually) without cessation for many years. Likewise, in warm and tropical areas or during the growing season, aphids reproduce asexually...

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