Phylum Coelenterata
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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.

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 Phylum Coelenterata Presentation Transcript

  • COURSE I - FIRST SEMESTER PHYLUM COELENTERATANeedle cell bearing animalsMulticellular, radially symmetrical, diploblastic Prof. S D Rathod
  • Needle cell
  • Stinging cell impact
  • Polymorphism
  • Class – Hydrozoa Polyp and medusa forms Example - Obelia
  • 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
  • Aurelia (jelly fish)
  • 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
  • Corals Brain coral Sea fan Fungoid
  • Stag horn coral - Madrepora
  • Small polyps in corals
  • Coral reefs Great barrier reef
  • Coral reef biodiversity Richest biodive rsity on the globe
  • Thank you