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, 1899 - 312 pagine |
Dall'interno del libro
Risultati 6-10 di 21
Pagina 129
... instinct the sensation no longer re- mains unfelt ; perception is necessary , consciousness plays a part . And this consciousness is a vastly more subtle element , differing as much apparently from the vibration of brain , or nervous ...
... instinct the sensation no longer re- mains unfelt ; perception is necessary , consciousness plays a part . And this consciousness is a vastly more subtle element , differing as much apparently from the vibration of brain , or nervous ...
Pagina 130
... instinct . Mr. Romanes , probably cor- rectly , regards them as purely reflex . We must , I think , believe that these actions result in conscious- ness even in the lowest forms . The selection and at- tainment of food certainly looks ...
... instinct . Mr. Romanes , probably cor- rectly , regards them as purely reflex . We must , I think , believe that these actions result in conscious- ness even in the lowest forms . The selection and at- tainment of food certainly looks ...
Pagina 131
... instinct seem proven . Traces of it will almost certainly be yet found much lower down . Fresh - water mussels migrate into deeper water at the approach of cold weather . And if the clam has instincts , there is no reason why the turbel ...
... instinct seem proven . Traces of it will almost certainly be yet found much lower down . Fresh - water mussels migrate into deeper water at the approach of cold weather . And if the clam has instincts , there is no reason why the turbel ...
Pagina 132
... instincts , at first only in slight details , or to adopt new lines of action not included in its old instincts , but suited to the new emergencies . This is the dawn of intelligence . Its beginnings still remain undiscovered . Mr ...
... instincts , at first only in slight details , or to adopt new lines of action not included in its old instincts , but suited to the new emergencies . This is the dawn of intelligence . Its beginnings still remain undiscovered . Mr ...
Pagina 133
... instinct predominates , but marks of in- telligence are fairly abundant . Ants and wasps modify their habits to suit emergencies which instinct alone could hardly cope with . Bees learn to use grafting wax instead of propolis to stop ...
... instinct predominates , but marks of in- telligence are fairly abundant . Ants and wasps modify their habits to suit emergencies which instinct alone could hardly cope with . Bees learn to use grafting wax instead of propolis to stop ...
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 - 1897 |
Parole e frasi comuni
advance amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite archenteron attained become beginning better birds body brain cells cerebrum characteristics conformity to environment conscious degeneration digestion and reproduction dominant embryo embryology entoderm existence experience eyes fish functions future ganglion gastrula germ-plasm give groups higher forms highest human hydra important increase individual insect instinct intelligence jaws knowledge laws layer legs living locomotion lower mammals man's marsupial ment mental mind mode modified mollusks moral motives muscles muscular muscular system natural selection nephridia nerve nervous system never notochord nutriment organs oxygen parapodia perception 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 tion tissues true truth turbellaria unselfishness variation velopment vertebral column vertebrates volvox young