what is metagenesis in CNIDARIANS?

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Ashwathi G answered this

It is d alternation of polyp { asexual) and medusa (sexual) stages in coelentrates.

eg: obelia

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ranutak answered this

if n=5th period then show that it has 18 elements

Alka Karn answered this

it is the alternation of generation in which polyp reproduces medusa asexually & medusa reproduces polyp sexually in cnidaria.

eg:aurelia(medusa) &adamsia(polyp)

Vibhuti Chaudhari answered this

It is alternation of generation (Metagenesis) that is polyps produce medusae asexually and medusae form the polyps sexually.

Lasya Naidu answered this

alternation of generations according to their convienence that is either medusa (motile)or polypoid(non motile) form to make survival

Hifi answered this

the alternation of generations in known as metagenesis . in cnidarians ...the polyp undergoes asexual reproduction to form medusoid ...and the medusoid undergoes sexual reproduction to form polypoids.polyp is non motile and medusoid is motile..

...... __ answered this

Metagenesis in Cnidaria. This alternation of generations is characteristic for class Hydrozoa. ... This kind of alternation of generation in Cnidaria, in which an asexual polypoid generation appears to alternate regularly with a sexual medusoid generation is also known as metagenesis.

Shreyansh Pandey answered this

Alternation of generations that allows the cnidarians to have both the body forms i.e. polyp and medusa.

Rifky answered this

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Aryam Kamthania answered this

it is the alternation of generation in which polyp reproduces medusa asexually & medusa reproduces polyp sexually in cnidaria.

eg:aurelia(medusa) &adamsia(polyp)