EVERYDAY SCIENCE

Detailed explanation-1: -Free-swimming medusa Cnidarians release their gametes (eggs or sperm) into the surrounding water when they are ready to mate. Eggs are fertilized by sperm (sexual reproduction) and develop into the larval stage, during which they are still free-swimming and are called planulae.

Detailed explanation-2: -Cnidaria Sexual Reproduction Medusae usually reproduce sexually as well as some polyps. Some species are hermaphroditic meaning individuals can produce both egg and sperm, while others are distinctly male or female.

Detailed explanation-3: -Throughout their lifecycle, jellyfish take on two different body forms: medusa and polyps. Polyps can reproduce asexually by budding, while medusae spawn eggs and sperm to reproduce sexually.

Detailed explanation-4: -All cnidarian species are capable of sexual reproduction, which occurs in only one phase of the life cycle, usually the medusa. Many cnidarians also reproduce asexually, which may occur in both phases.

Detailed explanation-5: -Hint: Metagenesis is a unique process of alteration of the reproductive cycle found in cnidarians. The asexual stage is represented by Polyp and the medusa represents the sexual stage. Complete answer: By budding Polyp forms the medusa while the medusa by sexual reproduction forms polyps.