Metabolism is the series of chemical reactions that enable an organism to acquire and utilize energy. What in your opinion, is the most important feature permitting life to function: is it replicability, energy use (metabolism) or adaptation?
(. . . so it isn't Prozac, then?)
LOL! guess not...i'm thinking it must be energy...my brains are steaming over here, oh wait that might be because of the sunshine...I haven't really thought about it before.
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