1. Phylum:Cnidaria
By: Kevin
Cindy
Mercedes
and Franklin

2. you can cut it into pieces
Body Symmetry
Their body symmetry
is radial symmetry
so it's like a pie and
you can cut it into pieces
Rhizostoma
Anemonia

3. Body Segmentation The Phylum Cnidaria doesn't
have body segmentation because
they don't have segments
Unlike worms that have segments

4. Type of Skeleton
There is no skeleton

5. Type of digestive tract
They use a Gastrovascular cavity

6. The nervous system is the nerve net
Type of nervous system
The nervous system is the nerve net

7. Method of respiration
They do breathe because jellyfish have 2 layer's on it and
since the ocean has more oxygen in it it goes through
the jellyfish so it stays balanced

8. They have stinging cells
Unique feature
They have stinging cells

9. Economic importance They keep nature in balance
and are part of the food chain

10. Their environment is the ocean
Environmental Niche
Hanauma Bay
Their environment is the ocean

11. Reproduction
medusae's are sexual

12. Polyps on the other hand are asexual
Reproduction
Polyps on the other hand are asexual

13. Hydozoa=Polyps and meusae
4 Classes
Hydozoa=Polyps and meusae

14. Cubozoa=between medusae and polyps
Classes
Scyphozoa=Medusae
Cubozoa=between medusae and polyps
Anthozoa=all polyps

15. References 4:http://www.shef.ac.uk/tldg/cnidnew/cndphylum.htm1: 2: 3:
PPoint-lectures/5-Cnidaria/sld001.htm 4:

16. The End Now please take a piece of paper out and
answer these questions

17. Questions 3:How do they breathe?
1:What kind of Body symmetry do they have?
2:What are the four classes of cnidaria?
3:How do they breathe?