2007-04-05 16:35:15 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Biology
Polyps are the cnidarian form that have the body on the bottom and the tentacles on the top. Ex: sea anemone, hydra
Medusas (or medusae) are the cnidarian form that are free-swimming, having the body on the top and the tentacles hanging down. Ex: adult jellyfish
2007-04-05 16:39:04 · answer #1 · answered by ecolink 7 · 0⤊ 0⤋
the jellyfish spends its life as a medusa, the hydra as a polyp.
2016-05-18 02:22:20 · answer #2 · answered by ? 3 · 0⤊ 0⤋
ya the phylum cnidaria is a group of non -vertebrate animals.they are marine animals .with a gut openin for intake of food and exrete called coelentron.
eg.Hydra,jellyfish.
they have 2 types of tentacles-medusae and polyps-zoids.They have stinging cells .the polyps and stationary.while the medusae are floating and help in sexual reproduction
2007-04-05 16:45:35 · answer #3 · answered by SSS 3 · 0⤊ 1⤋
Are you talking about starfish and jellyfish?
2007-04-05 16:39:44 · answer #4 · answered by DaFinger 4 · 0⤊ 1⤋