Question

Distinguish between polyp and medusa.

Answer 1

Answer:

Most of the Cnidarian classes utilise polyp and medusa as two stages of their life cycle. Polyps are sessile and asexually reproduce by budding. But, medusa reproduces sexually by producing sperms and eggs.

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Answer 2

Answer :

Polyp -

• They are fixed, sessile and found in low water mark.
• They are cylindrical in shape with a long stalk.
• The tentacles face upwards.
• They reproduce asexually.
• They give rise to medusa by budding.

Medusa -

• They are free floating, found in open water.
• They are bell shaped with a reduced stalk.
• The tentacles are downwards.
• They reproduce sexually.
• They give rise to polyp by sexual reproduction.

Polyp and Medusa are two body forms of Cnidarians.