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Transcript of Medusozoa (Jellyfish)
Kills more people in a year than a Great White Shark.
Do not breathe in any way.
Organisms In the Classification
Common Structures in this classification
Jellyfish are made of thick elastic jelly-like substance.
Are the most dangerous marine animal.
200 different kinds of speices
Doesn't have a brain
We both have mouths
We both have eyes
jellyfish & Humans
Jellyfish have a body wall that is only a few cell layers thick, and each cell has direct access to the external enviroment.
Jellyfish are closely related to 'Flatworms'.
Also closely related to 'Sponges'
500,000,000 Years old.
Yes, jellyfish are very important animals in the ocean. We should definitely respect and not harm them. They are food for a number of marine animals such as large fish and turtles. They can also protect the small fish from being eaten by predators with their stinging cells. Also, many young crabs hitchhike on the top of jellyfish so they don’t have to swim.
Importance to Biosphere
Lot of reading, stick with me here.
Jellyfish do not have a coelom
No respiratory system
No blood to move around the body; Doesn't have a heart.
Asexual & sexual (Primarily sexual)
Write this stuff down
Doesn't breathe at all..
Created by Keegan & Jon
Oh, There's also a cool video on how jellyfish sting if you want to see it.