The question of the position of man, as an animal, has given rise to much disputation, with the result of proving that there is no anatomical or developmental character by which he is more widely distinguished from the group of animals most nearly allied to him, than they are from one another.
Thomas Henry Huxley, The Advance of Science in the Last Half-Century
anatomy, animal, biology, development, disputation, distinguish, evolution, human-evolution, result, science