Branches Quote by Donald Johanson

Darwin abolished special creations, contributed the Origin of Species and hitched all life together in one unbroken procession of Siamese Twins, the whole evolved…

— Mark Twain

All organisms vary, and it's just folk knowledge. You just have to look around a room of people, and everybody knows that it's true.…

— Stephen Jay Gould

“In Darwin's time no serious attempt had been made to examine the manifestations of variability. A vast assemblage of miscellaneous facts could formerly be…

— William Bateson

As a consequence, geneticists described evolution simply as a change in gene frequencies in populations, totally ignoring the fact that evolution consists of the…

— Ernst Mayr

In talking of evolution, it is common to have in mind a tree.

— Russell Stannard

Darwin based his theory on generalizations that were strictly empirical. You can go out and see that organisms do vary, that variations are inherited,…

— George C. Williams

Despite some remaining puzzles, there's no reason to doubt that Darwin had this point right, that all creatures on earth are biological relatives

— Michael Behe

Each has his own tree of ancestors, but at the top of all sits Probably Arboreal.

— Robert Louis Stevenson

Within the period of human history we do not know of a single instance of the transformation of one species into another one. It…

— Thomas Hunt Morgan

To put it crudely but graphically, the monkey who did not have a realistic perception of the tree branch he jumped for was soon…

— George Gaylord Simpson

Darwin investigated the numerous facts obtained by naturalists in living nature and analysed them through the prism of practical experience.

— Trofim Lysenko

Evolutionary biologists are not content merely to explain how variation occurs within limits, however. They aspire to answer a much broader question-which is how…

— Phillip E. Johnson