The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 142
... forms with more or less picturesque and adventurous life - cycles . The one most troublesome to ourselves is Bilharzia of tropical countries , which spends its fluke A system of their own , but absorb the food at the surfaces of their ...
... forms with more or less picturesque and adventurous life - cycles . The one most troublesome to ourselves is Bilharzia of tropical countries , which spends its fluke A system of their own , but absorb the food at the surfaces of their ...
Página 173
... forms lying between the two . There is a curious assembly of such forms- the green flagellates , the " slime - fungi , " and one or two others - which are described in both zoological and botanical text - books- a sort of no - man's ...
... forms lying between the two . There is a curious assembly of such forms- the green flagellates , the " slime - fungi , " and one or two others - which are described in both zoological and botanical text - books- a sort of no - man's ...
Página 191
... forms of life were not all the forms of life , and that there had been a great variety of animals and plants which had passed away , a greater variety and multitude indeed than that which still exists . The science of geology became a ...
... forms of life were not all the forms of life , and that there had been a great variety of animals and plants which had passed away , a greater variety and multitude indeed than that which still exists . The science of geology became a ...
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