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 36
Pagina vi
... struggle for life.— Environment one . - But lower animals come into vital relation with but a small part of it . — It consists of a myriad of forces , which , as acting on a given form , may be considered as one grand resultant vi TABLE ...
... struggle for life.— Environment one . - But lower animals come into vital relation with but a small part of it . — It consists of a myriad of forces , which , as acting on a given form , may be considered as one grand resultant vi TABLE ...
Pagina viii
... struggle for existence . - Natural selection . - Correlation of organs.- Fortuitous variation . — Origin of the fittest . - Nägeli's theory : Initial ten- dency supreme . - Weismann and the Neo - Darwinians : Natural selection ...
... struggle for existence . - Natural selection . - Correlation of organs.- Fortuitous variation . — Origin of the fittest . - Nägeli's theory : Initial ten- dency supreme . - Weismann and the Neo - Darwinians : Natural selection ...
Pagina xvii
... struggle or of neglected opportunities ; then retrospect and the end . " We come like water , and like wind we go . " But how few of the visions are realized . Faust sums up the whole of life in the twice - repeated word ver- sagen ...
... struggle or of neglected opportunities ; then retrospect and the end . " We come like water , and like wind we go . " But how few of the visions are realized . Faust sums up the whole of life in the twice - repeated word ver- sagen ...
Pagina 6
... struggle . But is man any less a man for having arisen from something lower , and being in a fair way to become something higher ? Certainly not , unless I am less a man for having once been a baby . It is only when I am unusually cross ...
... struggle . But is man any less a man for having arisen from something lower , and being in a fair way to become something higher ? Certainly not , unless I am less a man for having once been a baby . It is only when I am unusually cross ...
Pagina 10
... struggle for existence as a means of aggregating these slight modifications in a divergence sufficient to produce new species , genera , or families . His argu- ment may be very briefly stated as follows : 1. There is in Nature a law of ...
... struggle for existence as a means of aggregating these slight modifications in a divergence sufficient to produce new species , genera , or families . His argu- ment may be very briefly stated as follows : 1. There is in Nature a law of ...
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