1. 1 By: Hend and Ziyad Bio 1023

2. 2  Name and symmetry  Evolution and morphology  Digestive system and feeding  Movement  References

3. 3  “Name from comb-like rows of cilia” - Cilium. - Cilia.  100 species; all marine

4. Evolution and Morphology. 4  Ctenophore live up in the water column.  Many solutions have evolved over the last 500 million years  Bell form : Interact with the fluid around them. - Successfully movement. - Capture food: determine feeding strategy, gut capacity and digestive times. - Cvoid being eaten. - Some bell shapes appear to limit the size that medusae can grow..

5. Digestive system 5  Digestive system with mouth and anus.  Feeding by discharging colloblasts (glue cells) from long tentacles. mouth anus

6. Movement: 6 Move by beating cilia on comb rows.

7. 7 Chemical light production in Comb jellyfish, it oxidized by luciferase to produce molecule that emits light.

8. Reverences: 8 Collin & Costello. 2006. Jellyfish evolution. Form http://fox.rwu.edu/jellies/evolution.html April 3, 2014http://fox.rwu.edu/jellies/evolution.html Redden, Anna. 2014. Mullscs. Animal Biodiversity. BIOL2073: 2014 Winter Session Acadia University. Wolfville.