polyp! The star coral is attached and is faceup
Polyp and medusa are two stages in life cycle of cnidarians , polyp is hydra like and medusa is jelly fish like .
polyp---sea anenome, medusa---jellyfish Phlycabs In plain English a polyp is a cylinder with tentacles at the top. The Hydra looks like a tin can with slender arms coming from the top of its body. This body form does not move and the animals are trappers. The medusa is an umbrella shaped structure with tentacles hanging down from it. The jellyfish is an example. These animals move. During the reproductive stages of the jellyfish there is a time when they take on the polyp form. Then they bud off and become medusa. Nighthawk
polyp
A medusa looks like an umbrella and a polyp any idea!
In organisms that exhibit both forms, the polyp is the asexual stage and the Medusa the sexual stage. In such organisms the polyp, by budding, gives rise to Medusa, which either detach themselves and swim away or remain permanently attached to the polyp. The Medusa then produce new polyps by sexual reproduction. A Medusa produces eggs or sperm, which are usually shed into the water; when an egg is fertilized, it develops into a swimming larva, which eventually settles and grows into a polyp. In addition to this elaborate means of reproduction, the polyp can form new polyps by budding. In some groups of coelenterates either the polyp or the Medusa has become highly developed, with the reduction or complete loss of the other form. Where only the Medusa occurs, as in many jellyfish, the larva never settles, and grows directly into a Medusa. Where only the polyp exists, as in the hydra and the sea anemone, the organism has the ability to produce new polyps sexually, as well as by budding.
The two body forms of cnidarians are the polyp and the medusa. Polyps are typically sessile, tube-shaped organisms attached to a substrate, while medusae are free-swimming, umbrella-shaped organisms.
polyp! The star coral is attached and is faceup
a hydra as a polyp is not sessile but when it grows to be a hydra it is sessile
a Medusa or a Polyp.
Polyp
polyp and medusa
polyp and medusa