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Other than "nostalgia", there's also the fact that life in general is more likely to survive a changing environment if there is more variation. If there is only
by mike-cardwell 11y ago
Other than "nostalgia", there's also the fact that life in general is more likely to survive a changing environment if there is more variation. If there is only one species, life is much, much more likely to die out, even in the short term. I personally don't think that's important, but a lot of people do seem to have strongly held positions that the continuation of life is important for some reason.