The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 183
... turn wine into vinegar . On the right are two specimens of a bacterium with lashing flagella , which causes butter and other fats to turn rancid . § 8 The Smallest Living Things The invention and gradual. animals with characteristic ...
... turn wine into vinegar . On the right are two specimens of a bacterium with lashing flagella , which causes butter and other fats to turn rancid . § 8 The Smallest Living Things The invention and gradual. animals with characteristic ...
Página 278
... turn now to an even more striking interference - to the mixing together of organisms of different kinds to form one . It is well known that branches of plants can be grafted on to other plants , and that they will take and " become one ...
... turn now to an even more striking interference - to the mixing together of organisms of different kinds to form one . It is well known that branches of plants can be grafted on to other plants , and that they will take and " become one ...
Página 318
... turn into a limb : the different parts of the limb are not yet rigidly predetermined within it , any more than the different systems of the embryo were rigidly predetermined in the egg . As with the egg , if it is cut in half each half ...
... turn into a limb : the different parts of the limb are not yet rigidly predetermined within it , any more than the different systems of the embryo were rigidly predetermined in the egg . As with the egg , if it is cut in half each half ...
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