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 52
Pagina 4
... individual . The most " aspiring ape , if ever there was such a being , remains but an ape . He must comfort himself with the thought that , while he and his descendants can never gain an inch , the gap between himself and the next ...
... individual . The most " aspiring ape , if ever there was such a being , remains but an ape . He must comfort himself with the thought that , while he and his descendants can never gain an inch , the gap between himself and the next ...
Pagina 12
... individual has varied so as to possess some peculiarity which enables it even in slight de- gree to better escape ... individuals possessing this qual- ity in the highest degree and breeding only from these . The breeder depends upon ...
... individual has varied so as to possess some peculiarity which enables it even in slight de- gree to better escape ... individuals possessing this qual- ity in the highest degree and breeding only from these . The breeder depends upon ...
Pagina 13
... individuals with more poorly developed wings , would survive . There would thus be a survival in every generation of a larger proportion of those having the poorest wings , and destruction of those whose wings were strong , or whose ...
... individuals with more poorly developed wings , would survive . There would thus be a survival in every generation of a larger proportion of those having the poorest wings , and destruction of those whose wings were strong , or whose ...
Pagina 15
... individual . Furthermore , if we can dis- cover certain great movements or currents of human action or progress moving steadily on through past centuries , we have full confidence that these move- ments will continue in the future . The ...
... individual . Furthermore , if we can dis- cover certain great movements or currents of human action or progress moving steadily on through past centuries , we have full confidence that these move- ments will continue in the future . The ...
Pagina 18
... individuals or families from various periods of human history from the earliest times down to the present . I should try to tell you how they looked and lived . But if anyone should attempt to condense into three lectures such a history ...
... individuals or families from various periods of human history from the earliest times down to the present . I should try to tell you how they looked and lived . But if anyone should attempt to condense into three lectures such a history ...
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