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Asa Gray Quotes

Many years ago it was taught that plants and animals were composed of different materials: plants, of a chemical substance of three elements,- carbon, hydrogen, and oxygen; animals of one of four elements, nitrogen being added to the other three. - Asa Gray

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Years | Taught | Plants | Animals | Composed |

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I take it for granted that you do not wish to hear an echo from the pulpit nor from the theological class-room. - Asa Gray

I accept extinction as best explaining disjoined species. I see that the same cause must have reduced many species of great range to small, and that it may have reduced large genera to so small, and of families. - Asa Gray

It was always understood that plants and animals, though completely contrasted in their higher representatives, approached each other very closely in their lower and simpler forms. But they were believed not to blend. - Asa Gray

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