Animal Quote by Asa Gray

Many years ago it was taught that plants and animals were composed of different materials: plants, of a chemical substance of three elements,- carbon,…

— Asa Gray

Next it was found that it was physiologically and structurally the same in the plant, that it was the living part of the plant,…

— Asa Gray

The chemical differences among various species and genera of animals and plants are certainly as significant for the history of their origins as the…

— Ray Lankester

“The tendency to variation in living beings, which all admitted as a matter of fact; the selective influence of conditions, which no one could…

— Thomas Henry Huxley

It was always understood that plants and animals, though completely contrasted in their higher representatives, approached each other very closely in their lower and…

— Asa Gray

“The power to assimilate crude inorganic matter as it is found in the soil, and convert it into living protoplasm and other organic substances,…

— Herbert M. Shelton

It was implicitly supposed that every living thing was distinctively plant or animal; that there were real and profound differences between the two, if…

— Asa Gray

We must infer that a plant or animal of any species, is made up of special units, in all of which there dwells the…

— Herbert Spencer

Science confounds everything; it gives to the flowers an animal appetite, and takes away from even the plants their chastity.

— Joseph Joubert

Plants, again, inasmuch as they are without locomotion, present no great variety in their heterogeneous pacts. For, when the functions are but few, few…

— Aristotle

“Why do we prize changing organism more than inorganic matter, unchanging and constant? If there be no change in the bright hues of a…

— Kaiten Nukariya

“A recognized fact which goes back to the earliest times is that every living organism is not the sum of a multitude of unitary…

— Walter Hess