The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 182
... example , is called a bacillus ( or stick ) , a spherical bacterium is a coccus ( or berry ) , and a curved or wriggling bacterium is a spirillum . Some bacteria have long , lashing whips - either one , or a tuft at one end of the body ...
... example , is called a bacillus ( or stick ) , a spherical bacterium is a coccus ( or berry ) , and a curved or wriggling bacterium is a spirillum . Some bacteria have long , lashing whips - either one , or a tuft at one end of the body ...
Página 625
... example of sudden change in character of a disease is afforded by syphilis , which smouldered obscurely in various countries during the Middle Ages and suddenly broke out as a violent epidemic in the fifteenth century . It may be that ...
... example of sudden change in character of a disease is afforded by syphilis , which smouldered obscurely in various countries during the Middle Ages and suddenly broke out as a violent epidemic in the fifteenth century . It may be that ...
Página 630
... example - phagocytes are rushed at once to the spot ( see page 59 ) . They attempt to surround and devour the bacteria . Some kinds of germ are more readily attacked than others , and this is presumably an important factor in ...
... example - phagocytes are rushed at once to the spot ( see page 59 ) . They attempt to surround and devour the bacteria . Some kinds of germ are more readily attacked than others , and this is presumably an important factor in ...
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