linkedin post 2019-07-13 04:42:13
RELATIVE PERFECTION. "In searching for the gradations through which an organ in any species has been perfected, we ought to look exclusively to its lineal progenitors. But the state of the same organ in distinct classes may incidentally throw light on the steps by which it has been perfected." (Darwin). https://lnkd.in/d97MFVz View in LinkedIn