1. By: Ethan, Cameron, and Trace
Cnidarians
By: Ethan, Cameron, and Trace

2. Jellyfishes
Sea fans
Sea anemones
Hydras
Corals
Phylum

3. Body Symmetry Radial Radial body symmetry
first born they are polyps (tiny looking structure that attaches itself to almost anything.
second stage is the medusa phase (fully matured and can reproduce)

4. How does a Cnidarian eat?
It's a predator that uses it tentacles to wrap its prey around.
Known to eat fish, plankton and crustaceans

5. Diffusion is the most simplest form of circulating materials.
Systems
Diffusion is the most simplest form of circulating materials. 
 have an open circulatory system which allows them to breathe through their skin.

6. Excretion
 Use diffusion
Waste through anus
Has excretory organs

7. Response Cnidarians do not have Ganglia No brain
No central nervous system
Sensory nerves to sense odors

8. Movement They have a ring of muscle
cnidarians are motile at least one time in their life

9. Reproduction Cnidarians reproduce sexually
The male shoots a cloud of sperm out of its mouth into the water and then fertilizes an egg that a female shoots out of its mouth
Reproduction

10. Respiration Don’t have or need a true circulatory system
 In direct contact with water causing them to live in clean, constantly moving water
Respirate using diffusion

11. Classes Anthozo – corals Scyphozoa – jelly fish
 Cubozoa – box jelly fish
 Hydrozo – hydra