Question

differantion in polyp and Medusa with Point wise :) ​

Answer 1

Answer:

*Polyp is a fixed form found attched to the rocks. Medusae are free swimming forms. *Body of a polyp is cylindrical with a long stalk. Medusa is umbrella shaped with a reduced stalk.

Answer 2

Answer:

There are various differences between polyp and medusa.

Explanation:

1. Movement

Polyp: Polyp is a sessile organism.  

Medusa: Medussa is a free swimming organism.

2. Body Structure

Polyp: Body is a cylindrical structure containing a long stalk.

Medusa: Body is saucer-shaped, umbrella-like structure containing a reduced stalk.

3. Habitat

Polyp: It is found attached to rocks near water mark.

Medusa: It is found in open waters.

Manubrium

Polyp: Manubrium is directly upward since the body is attached to a surface.

Medusa: Manubrium hangs downward since the base is above.

4. Velum

Polyp: Velum is absent.

Medusa: Velum is present.

5. Sense Organs

Polyp: Polyp lacks sense organs.

Medusa: Statocysts are present at the bases of eight adradial tentacles.  

6. Gastrovascular Cavity

Polyp: It is simple, and lacks radial and circular canals.

Medusa: Gastrvascular cavity is the stomach and it consist of four radial canals and one circular canal.

7. Gonads

Polyp: Gonads are absent.

Medusa: It consists four gonads.

8. Reproduction

Polyp: It reproduces asexually by budding.

Medusa: It reproduces sexually by gametes.

9. Role

Polyp: It is concerned with feeding, protection and asexual reproduction.

Medusa: It is concerned with sexual reproduction.