Phylum Coelenterata

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This PPT is for F.Y.B.Sc students of course I Semester I, belonging to Mumbai University of Maharashtra India. You can email at sudesh_rathod@yahoo.co.in for further query.

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Phylum Coelenterata

  1. 1. COURSE I - FIRST SEMESTER PHYLUM COELENTERATANeedle cell bearing animalsMulticellular, radially symmetrical, diploblastic Prof. S D Rathod
  2. 2. Needle cell
  3. 3. Stinging cell impact
  4. 4. Polymorphism
  5. 5. Class – Hydrozoa Polyp and medusa forms Example - Obelia
  6. 6. Class – Scyphozoa solitary and free living marine medusoid forms mesogloea is very thick which make them a jelly like so jelly fishes Four chambered stomach Example - Aurelia
  7. 7. Aurelia (jelly fish)
  8. 8. Class – Anthozoa • Anthozoans are marine polyp forms. • They are solitary or colonial. • gastrovascular cavity has vertical septa called as mesenteries. These are called corals Sea anemone
  9. 9. Corals Brain coral Sea fan Fungoid
  10. 10. Stag horn coral - Madrepora
  11. 11. Small polyps in corals
  12. 12. Coral reefs Great barrier reef
  13. 13. Coral reef biodiversity Richest biodive rsity on the globe
  14. 14. Thank you

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