The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 47
... structure and the nature of his mechanism very con- siderably . We now know him and the mouse his parasite to be extraordinarily complex organizations of billions of inferior beings , his cells ; we know that within his skin all his ...
... structure and the nature of his mechanism very con- siderably . We now know him and the mouse his parasite to be extraordinarily complex organizations of billions of inferior beings , his cells ; we know that within his skin all his ...
Página 107
... structure and position from the rest and different in a very amusing and in- teresting way . It is small and round and placed just behind the eye , and although it is not used for hearing , it runs very close to the inner ear of the ...
... structure and position from the rest and different in a very amusing and in- teresting way . It is small and round and placed just behind the eye , and although it is not used for hearing , it runs very close to the inner ear of the ...
Página 216
... STRUCTURE § 1. Structural Plans , Visible and Invisible . § 2. Vestiges : the Evidence of the Useless . § 3. The Evidence of the Embryo . Ichthyosaur Fig . 131. The structural plan of the vertebrate's. § I Structural Plans , Visible and ...
... STRUCTURE § 1. Structural Plans , Visible and Invisible . § 2. Vestiges : the Evidence of the Useless . § 3. The Evidence of the Embryo . Ichthyosaur Fig . 131. The structural plan of the vertebrate's. § I Structural Plans , Visible and ...
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