Phylum Ctenophora
description
Transcript of Phylum Ctenophora
1
By: Hend and ZiyadBio 1023
2
Name and symmetry Evolution and morphology Digestive system and
feedingMovementReferences
3
“Name from comb-like rows of cilia”
- Cilium.- Cilia.
100 species; all marine
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.
.
Digestive system
5
Digestive system with mouth and anus.
Feeding by discharging colloblasts (glue cells) from long tentacles.
mouth
anus
Movement:
6
Move by beating cilia on comb rows.
7
Chemical light production in Comb jellyfish, it oxidized by luciferase to produce molecule that emits light.
Reverences:
8
Collin & Costello. 2006. Jellyfish evolution. Form http://fox.rwu.edu/jellies/evolution.html April 3, 2014
Redden, Anna. 2014. Mullscs. Animal Biodiversity. BIOL2073: 2014 Winter Session Acadia University. Wolfville.