In article ,
Elaine T wrote:
Stacey Whaley wrote:
I was wanting to get some opinions on the EcoSphere, initiated by NASA,
in which tiny creatures live confined in a glass ball with a little bit
of water, oxygen and a dead plant with which to feed on. (They are
definitely eye-catching.)


I honestly don't think shrimp have enough of a nervous system to
perceive confinement. The shrimp probably notice lack of oxygen or
food, but those are apparantly not lacking or they wouldn't live for
over a year.

I wonder if they notice nothing is trying to eat them?

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