The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 387
... truth the realization of some exterior cosmic purpose . Firstly , it is extremely slow . Then the method of selection is not only slow but wasteful and , in higher animals at least , involves great suffering . Worst of all , it has ...
... truth the realization of some exterior cosmic purpose . Firstly , it is extremely slow . Then the method of selection is not only slow but wasteful and , in higher animals at least , involves great suffering . Worst of all , it has ...
Página 621
... truth what would be achieved would be a swifter death . No one who has taken the pains to look carefully into the matter will carry out this idea as to the freedom of savage races from disease . What one sees among savages is not the ...
... truth what would be achieved would be a swifter death . No one who has taken the pains to look carefully into the matter will carry out this idea as to the freedom of savage races from disease . What one sees among savages is not the ...
Página 793
... truth " and of knowledge or delusion . They can frame their thoughts so that they seem to mirror the whole possible universe . They can make a picture of the universe which is generally valid . So far as habit and custom rule the lives ...
... truth " and of knowledge or delusion . They can frame their thoughts so that they seem to mirror the whole possible universe . They can make a picture of the universe which is generally valid . So far as habit and custom rule the lives ...
Índice
THE RANGE NATURE AND STUDY OF LIVING THINGS | 3 |
66 | 5 |
muscles and related | 8 |
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Términos y frases comunes
active algæ animals arthropods bacteria become birds blood body bones brain branches called capillaries carbon carbon dioxide cells Cenozoic changes chemical chromosomes colour creatures crustaceans digestive Echinoderms eggs elaborate embryo Eocene Everyman evolution example eyes fact female fertilized fish flatworms flowers fluid forms fossils gametes genes germ-plasm glands grow growth heart human Ichthyosaurs important individual insects intestine kidneys kinds land larvæ layer less limbs liver living things lobster lungs male mammals marsupials matter means ment microscopic million molluscs mouse mouth movements muscles mutations nervous system normal notochord Obelia organs ovary ovum oxygen pair parasitic phylum plants polyps produced proteins prothallus protozoa reproduction reptiles round secretion sense-organs sexual shell skeleton skin species spermatozoa sperms spores stage starfish stomach structure substances surface swim tail teeth thyroid tiny tion tissue to-day tube types variations various vertebrates whole worms