The Whence and the Whither of Man: A Brief History of His Origin and Development Through Conformity to Environment; Being the Morse Lectures of 1895C. Scribner's Sons, 1897 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 53
Pagina xii
... true of the lowest and most primitive animals . A muscular system cannot develop and do its work until some sort of a digestive system has arisen to furnish nutriment , any more than a steam- engine can run without fuel . And a brain is ...
... true of the lowest and most primitive animals . A muscular system cannot develop and do its work until some sort of a digestive system has arisen to furnish nutriment , any more than a steam- engine can run without fuel . And a brain is ...
Pagina xv
... true , and it must be true unless our theory of evolution be false , higher forms are more completely conformed to their environment than lower ; and man has attained the most complete conformity of all . Our biological history is ...
... true , and it must be true unless our theory of evolution be false , higher forms are more completely conformed to their environment than lower ; and man has attained the most complete conformity of all . Our biological history is ...
Pagina 1
... true species , however slightly it may differ from its nearest relative , represents such a creative act , and once created is practically unchangeable . This is the theory of im- mutability of species . According to the second theory ...
... true species , however slightly it may differ from its nearest relative , represents such a creative act , and once created is practically unchangeable . This is the theory of im- mutability of species . According to the second theory ...
Pagina 3
... true species , however slightly it may differ from its nearest relative , represents such a creative act , and once created is practically unchangeable . This is the theory of im- mutability of species . According to the second theory ...
... true species , however slightly it may differ from its nearest relative , represents such a creative act , and once created is practically unchangeable . This is the theory of im- mutability of species . According to the second theory ...
Pagina 4
... true of man also ? Who can wonder that many who accept this theory doubt whether the world is growing any better , or whether even man will ever be higher and better than he now is ? Would it not be contrary to the whole course of past ...
... true of man also ? Who can wonder that many who accept this theory doubt whether the world is growing any better , or whether even man will ever be higher and better than he now is ? Would it not be contrary to the whole course of past ...
Altre edizioni - Visualizza tutto
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1896 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1896 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1899 |
Parole e frasi comuni
advance amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite archenteron attained become better birds body brain cells conformity to environment conscious degeneration dominant ectoderm embryo embryology existence experience eyes fish functions future ganglion gastrula gills give groups higher animals higher forms highest human hydra important increase individual insect instinct intelligence jaws knowledge laws layer legs living locomotion lower mammals man's marsupial membrane ment mental mind mode modified mollusks moral mouth muscles muscular muscular system mutability of species natural selection nephridia nerve nervous system never notochord nutriment organs oxygen parapodia perception perivisceral cavity possible primitive probably progress protoplasm protozoa purely race reflex action reptiles result schematic worm segments selfish sense-organs sequence shell skeleton species spermatozoa stage structure struggle surface survive swimming theory of evolution tion tissues true truth turbellaria unselfishness variation velopment vertebrates volvox young