jelly fish
TRANSCRIPT
JELLY FISH
Paula
Phyllum Cnidaria The jelly fish live in all ocean and seas
over the world.
It’s an aquatic animal.
It’s an invertebreite, without backbone or internal skeleton
It is a free-swimming marine animal consisting of a gelatinous umbrella-shaped bell and trailing tentacles.
It’s oviparous.
Eggs develop into ¨larval planulae¨, become polyps, bud into ephyrae and then transform into adult jelly fish.
Physical characteristic Most jellyfish do not have specialized
digestive, central nervous, respiratory, or circulatory systems.
Body parts
Eat Jellies are carnivorous, feeding on
plankton, crustaceans, fish eggs, small fish and other jellyfish
Interesting facts The smallest jellyfish have bell disks
from 0.5 mm with short tentacles that extend out beyond.
The Lion's mane jellyfish was long-cited as the largest jellyfish, and arguably the longest animal in the world, with fine, thread-like tentacles that may extend up to 36 metres long
The smallest and the largest
LuminiscentSome jelly fish are luminiscent to find food orto frighten enemies.
The sea wasp, a box jellyfish found in Australian waters, can kill an adult human within a few minutes.
ToxicityContact with a jellyfish tentacle can inject venom, yet only some species' venom cause an adverse reaction in humans.
More about jelly fish
https://www.youtube.com/watch?v=QSovus8YNsE
https://www.youtube.com/watch?v=rJBXGdvUNEA
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