The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 130
... animals to be picked out was the vertebrates . The remainder was all a miscellaneous dump labelled ( wrongly ) " Bloodless Animals . " The next great phy- lum to be separated away from this confused heap was the arthropods we have just ...
... animals to be picked out was the vertebrates . The remainder was all a miscellaneous dump labelled ( wrongly ) " Bloodless Animals . " The next great phy- lum to be separated away from this confused heap was the arthropods we have just ...
Página 231
... animals , the wild dogs . Running wild and hunting over almost the whole land surface of the globe except- ing only New Zealand , Madagascar , the ice - caps at the Poles , and those intensively civilized regions that man has made ...
... animals , the wild dogs . Running wild and hunting over almost the whole land surface of the globe except- ing only New Zealand , Madagascar , the ice - caps at the Poles , and those intensively civilized regions that man has made ...
Página 406
... animals can grow bulky in three dimensions , and yet have their organs compact and solid ; the blood can bring oxygen to their most interior regions as readily as trains can bring fresh fish from the sea to Paris or Berlin and the all ...
... animals can grow bulky in three dimensions , and yet have their organs compact and solid ; the blood can bring oxygen to their most interior regions as readily as trains can bring fresh fish from the sea to Paris or Berlin and the all ...
Índice
THE RANGE NATURE AND STUDY OF LIVING THINGS | 3 |
66 | 5 |
muscles and related | 8 |
Otras 62 secciones no se muestran.
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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