Mr 10 Departure Betwixt Polyps In Addition To Medusae

The polyp is cylindrical in addition to normally fixed MR X Difference betwixt Polyps in addition to Medusae


Cnidarians accept 2 types of trunk forms, viz., polyp in addition to medusa.
  • The polyp is cylindrical in addition to normally fixed. It represents the asexual stage.
  • The medusa is umbrella similar in addition to normally gratis swimming. It represents the sexual phase.
Polyp vs Medusa

Polyp
Medusae
1. Fixed, rarely free, institute virtually H2O grade attached to rocks. 1. Free swimming, institute inwards opened upwardly waters.
2. Body cylindrical amongst a long stem (Hydra). 2. Body saucer shaped, umbrella similar amongst a reduced stem (Jellyfish).
3. Body attached below in addition to thence that manubrium is straight upward. 3. Base inwards a higher house in addition to thence that manubrium hangs downward.
4. Velum is absent 4. Velum is present.
5. Sense organs absent 5. Statocysts acquaint at the bases of 8 adradial tentacles.
6. Gastrovascular cavity uncomplicated without radial in addition to round down canals. 6. Gastro vascular cavity represented past times stomach, 4 radial canals in addition to 1 round down canal.
7. Gonads absent. 7. Four gonads on radial canals.
8. Reproduces asexually past times budding. 8. Reproduces sexually past times gametes.
9. Concerned amongst feeding, protection in addition to asexual reproduction. 9. Concerned amongst sexual reproduction.

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