Phylum: Tardigrada (WATER BEARS)

7 cards submitted by Jennifer Franco on Friday, October 19th, 2018.

under the major group Ecdysozoa

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What is the common name of this organism?

water bears

What is the term used for organisms that can be found in extreme conditions?

extremophiles

What range of temperature can they withstand? What pressure can they withstand? How much radiation can they be exposed to?

temp: 0 degree C - 100 degree C
pressure: 6 times greater than those found in the deepest ocean trenches
hundreds of lethal doses

How long can they go without food and water?

more than 10 years

When do they show up in the evolutionary history?

mid Cambrian

Where are they found?

moist environments

What phylum is it under and what is its common name?

phylum: Tardigrada
common name: water bears

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