Pierre-Paul Grassé Quote

Once one has noticed microvariations (on the one hand) and specific stability (on the other), it seems very difficult to conclude that the former (microvariation) comes into play in the evolutionary process.


Evolution of Living Organisms: Evidence for a New Theory of Transformation, Chapter III (p. 88)


Once one has noticed microvariations (on the one hand) and specific stability (on the other), it seems very difficult to conclude that the former...

Once one has noticed microvariations (on the one hand) and specific stability (on the other), it seems very difficult to conclude that the former...

Once one has noticed microvariations (on the one hand) and specific stability (on the other), it seems very difficult to conclude that the former...

Once one has noticed microvariations (on the one hand) and specific stability (on the other), it seems very difficult to conclude that the former...