G. Ledyard Stebbins Quotes & Wallpapers

G. Ledyard Stebbins
Total Quotes: 3


After a greater or lesser number of generations the mutants are eliminated. G. Ledyard Stebbins

No biologist has actually seen the origin by evolution of a major group of organisms. G. Ledyard Stebbins

I didn't add any new elements to speak of. I just modified things so that people could understand how things were in the plant world. G. Ledyard Stebbins



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