The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 5
... things grow , but only by additions , by the laying - on or fitting - in of congenial particles , without any change of chemical nature or release of energy . This process of taking in , assimilating and using matter , is called ...
... things grow , but only by additions , by the laying - on or fitting - in of congenial particles , without any change of chemical nature or release of energy . This process of taking in , assimilating and using matter , is called ...
Página 185
... Things The invention and gradual improvement of the compound microscope have led us stage by stage into a world of tiny wonders , a world that becomes more and more mysteri- ous as one proceeds to smaller creatures . In the first ...
... Things The invention and gradual improvement of the compound microscope have led us stage by stage into a world of tiny wonders , a world that becomes more and more mysteri- ous as one proceeds to smaller creatures . In the first ...
Página 236
... things had been created in definite " kinds " according to divine , but never- theless presumably intelligible plan . It was our business in classifying living things to detect that plan ; one started by assuming that species existed ...
... things had been created in definite " kinds " according to divine , but never- theless presumably intelligible plan . It was our business in classifying living things to detect that plan ; one started by assuming that species existed ...
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