At 06:14 PM 01/23/2001, James Rogers wrote:
>Many types of cells cannot survive on their own. Ones that can (or
>collections that can) are individual organisms. Two creatures living in
>symbiosis are not the same creature. A cell that can choose to
>disassociate itself from the organism and survive is an individual
>organism in its own right.
Actually, the normal human body is made up of several species living in
symbiosis. I don't know about you, but I wouldn't feel myself at all
without my intestinal bacteria--though they and the rest of me could live
apart if we had to.
Barbara
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