"...every species comes into existence coincident in time and space with a preexisting closely allied species." (1855)
More info: Alfred Russel Wallace
Biogeography
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6 days ago
8.1.09
Alfred Russel Wallace
"...every species comes into existence coincident in time and space with a preexisting closely allied species." (1855)
More info: Alfred Russel Wallace
Biogeography
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