A zoo is still a zoo if there aren't any animals in it, but it wouldn't stay in business very long. No matter how important the animals are to the long-term viability of the zoo, they are not the zoo.
My gut bacteria may be vital to my survival, but they are not me. I don't find placing that line to be difficult at all.
My gut bacteria may be vital to my survival, but they are not me. I don't find placing that line to be difficult at all.