The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 192
... facts . On the other hand , all these contributing facts build themselves up into the comprehensive vision of Evolution as the fact of facts , the quintessence of the whole display . But we are not attempting any explanation of this fact ...
... facts . On the other hand , all these contributing facts build themselves up into the comprehensive vision of Evolution as the fact of facts , the quintessence of the whole display . But we are not attempting any explanation of this fact ...
Página 261
... fact as well - established now as the roundness of the earth or the relative immensity of the sun . All these three facts have been disputed in the past . To - day controversy about any of them is dead . Equally dead we shall find is ...
... fact as well - established now as the roundness of the earth or the relative immensity of the sun . All these three facts have been disputed in the past . To - day controversy about any of them is dead . Equally dead we shall find is ...
Página 263
... fact - for fact it is in the general conditions of life , namely Natural Selection . Every living species is continu- ally producing a multitude of individuals , many more than can all survive , varying more or less among themselves ...
... fact - for fact it is in the general conditions of life , namely Natural Selection . Every living species is continu- ally producing a multitude of individuals , many more than can all survive , varying more or less among themselves ...
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