The Whence and the Whither of Man: A Brief History of His Origin and Development Through Conformity to Environment; Being the Morse Lectures of 1895W. Blackwood and Sons, 1896 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 41
Pagina vi
... NATURAL SELECTION AND ENVIRONMENT · 152 eration , or , rarely , to stagnation . - Natural selection becomes more un- The reversal of the sequence of functions leads to extermination , degen- sparing as we go higher . - Extinction ...
... NATURAL SELECTION AND ENVIRONMENT · 152 eration , or , rarely , to stagnation . - Natural selection becomes more un- The reversal of the sequence of functions leads to extermination , degen- sparing as we go higher . - Extinction ...
Pagina viii
... Natural selection . - Correlation of Fortuitous variation . - Origin of the fittest . - Nägeli's theory : I dency supreme . - Weismann and the Neo - Darwinians : Natural omnipotent . - The Neo - Lamarckians . - Comparison of the Neo - I ...
... Natural selection . - Correlation of Fortuitous variation . - Origin of the fittest . - Nägeli's theory : I dency supreme . - Weismann and the Neo - Darwinians : Natural omnipotent . - The Neo - Lamarckians . - Comparison of the Neo - I ...
Pagina x
... natural selection is " omnipotent " or of only sec importance in evolution , as long as it is a real or which theory ... Bio ical history can be written only when the succes stages of development and the attainments of stage have been ...
... natural selection is " omnipotent " or of only sec importance in evolution , as long as it is a real or which theory ... Bio ical history can be written only when the succes stages of development and the attainments of stage have been ...
Pagina xv
... natural selection . And yet Nägeli , and especially Weismann , have had so marked an influence on modern thought that we cannot afford to neglect their theories . We will briefly notice these in the closing chapter . CHAPTER I THE ...
... natural selection . And yet Nägeli , and especially Weismann , have had so marked an influence on modern thought that we cannot afford to neglect their theories . We will briefly notice these in the closing chapter . CHAPTER I THE ...
Pagina 12
... natural , in contrast with the breeder's artificial , selection , " aris- ing from the " struggle for existence , " and resulting in what Mr. Spencer has called the " survival of the fittest . " Let us take a single illustration . Many ...
... natural , in contrast with the breeder's artificial , selection , " aris- ing from the " struggle for existence , " and resulting in what Mr. Spencer has called the " survival of the fittest . " Let us take a single illustration . Many ...
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 - 1897 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1899 |
Parole e frasi comuni
amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite attained become birds body brain cavity cells cerebrum Cheaper Edition church conformity to environment conscious Crown 8vo degeneration Demy 8vo digestive dominant ectoderm embryo evolution experience eyes Fcap fish functions ganglion gastrula germ-plasm give groups higher forms highest human hydra Illustrations increase individual insect instinct intelligence laws layer legs living locomotion lower mammals man's marsupial ment mental mind mode modified mollusks moral muscles muscular natural selection nerve nervous system never notochord nutriment organs oxygen parapodia perception perivisceral Portrait Post 8vo primitive probably Professor progress protoplasm protozoa purely reflex action reproductive reptiles result schematic worm Scotland segments selfish sense-organs sequence skeleton species stage structure struggle surface survive swimming theory tion true truth turbellaria University of Edinburgh variation velopment vertebral column vertebrates vols volvox WHITHER young