Jellyfishies
1.The jellyfish use nerves to send information. It uses a body part called an ocelli to find light.


2. Jellyfish have no circulatory system. Jellyfish also have no waste system. Jellyfish have neither system because they let out their urine and waste through diffusion.
3. Jellyfish don't have a mouth. They have an oral cavity.
Jellyfish digest their food in the stomach.
4. Some kinds of jellyfish are Moon Jellyfish, Box Jellies, and Sea Nette.



 
5. Cephalization is the change is organs or parts in the head.

6. Poylp is a circle shaped animal with tentacles on top.
Medusa is an umbrella shaped animal with tentacles hanging down.

7. Jellyfish live in seawater. From shore areas exposed at low tide to the very deep ocean. Sea water, low tide, shores. They also feed on fish eggs, small fish, shrimp, and other jellyfish sometimes if desperate.
8. These animals are important to humans and the environment because they are in the food chain because people eat them and also the eat things that could be harmful to the ocean and the worlds waters.
9. Some unique things about these animals are that 90% of their body is made up of water. They don't have eyes, you can see right through them and their mouths are at the end of their tentacles.
10.   Jellyfish do not have a skeleton, they have three layers of tissue that makeup their body.
11. Jellyfish breathe by absorbing oxygen from the water through the surface of their outer layer. They also release carbon dioxide by their outer layer.
12. Jellyfish are both asexual and sexual reproduction. This means they can reproduce all by them selves with out any male.
13. Jellyfish's nervous system is like a nerve net ocelli.