April 30, 2011

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10 Amazing Facts About Jellyfish

1. Jellyfish first appeared about 650 million years ago and found in every ocean surface. Some also found a lot in freshwater.

2. Medusa (Plural Medusae) is another term for jellyfish.
Medusa is another term that hidupa jellyfish in greece, finland, Portuguese, Romanian, Hebrew, Serbian, Croatian, Spanish, French, italian, hungarian, polish, czech, Slovak, Russian and bulgarian.

3. Because the jellyfish is not a spesien of fish, sometimes there are many false assumptions about the jellyfish, the American Public karenya Aquariumsk has popularized the use of the term sea jelly (sea jellies) instead.

4. In general, a group or flock of jellyfish is called a bloom or swarm onscreen.

5. Jellyfish do not have the respiratory system because their skin is thin enough and that their bodies already contain oxygen-oxygen through diffusion.

6. Jellyfish have no brain or central nervous system,
but the jellyfish has a loose network of nerves, located in the epidermis, which is also referred to as "neural network."

7. Jellyfish consists of more than 90% water. Most of the mass is a material part of their umbrella agar-agar (jelly) called the mesoglea, which is surrounded by two layers of cells that form the umbrella (upper surface).
While the bottom surface of the body known as the bell.

8. Jellyfish have a unique reproductive system, which is either-sex and male and female will release sperm and eggs into the surrounding water, where eggs are fertilized and grow into new organisms.

9. Jellyfish have the most lethal poison and has caused at least 5568 deaths since 1954. Each tentacle has about 500,000 sindasites harpoon-shaped needle that can inject into korban.Fakta tenth:

10. Largest jellyfish species are a jellyfish bersurai lion (the lion's mane jellyfish). This jellyfish is one of the longest known animals and that have the largest bell (body) with a diameter of 2.3 m (7 feet 6 inches) and tentacles reached 36.5 m (120 ft). These jellyfish ever found washed up on shore of Massachusetts Bay in 1870.

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