Famous Quotes & Sayings

G. Ledyard Stebbins Quotes & Sayings

Enjoy the top 2 famous quotes, sayings and quotations by G. Ledyard Stebbins.

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G. Ledyard Stebbins Quotes 1963092

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

G. Ledyard Stebbins Quotes 919215

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