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zakruti.com » Knowledge, science, education » TED-Ed
Jellyfish predate dinosaurs. How have they survived so long? - David Gruber

Jellyfish predate dinosaurs. How have they survived so long? - David Gruber

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Rating: 4.0; Vote: 1
Some are longer than a blue whale. Others are barely larger than a grain of sand. One species unleashes one of the most deadly venoms on earth; another holds a secret thats behind some of the greatest breakthroughs in biology. Theyve inhabited the ocean for at least half a billion years, and theyre still flourishing. David Gruber investigates the secret powers of jellyfish. Lesson by David Gruber
Date: 2020-08-22

Comments and reviews: 8


i think its really cool that there is some immortal jelly fish out there that has lived through all the crazy parts of history, the jelly fish wasnt apart of those things but its nice to think about how it has lived during lots of tough times in human history and still made it through ok. makes me feel a bit better
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Ted-ed: Poison and venom are different.
Poison is something that has to be absorbed, inhaled or ingested.
Also,
Ted-ed: The 'venom' of jellyfish can kill human in 5 minutes, making it one of the most potent 'poison' in the world.

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I really appreciate your effort and enjoy your videos. I really like watching videos which tell us about nature and animal adaptations and some facts about the same. I want you to keep the work up like that.
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Don't mean to take away from a great video but I wish we would just all wake up one day and stop using the terms Jellyfish (and Starfish)
3: 01 One of the most potent venoms in the world

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2: 42 in theory, thats a pretty impressive amount of force, but taking water pressure in account makes it less scary
(but what if you touch it when its on land)

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if that last jellyfish can clone itself, then doesn't that mean that the cloned version is just a copy of its previous self and the original is dead regardless?
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For eome reason I want this to be a game
With the same music and animation
And you can make your own species of jellyfish
And drift in the ocean

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This means that one of the imortal jellyfish may be the same one from 500 million years ago making it the oldest living thing
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