The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 583
... remains play a very different part from the scavengers of plant remains . The former ( such as jackal or blow - fly grub , or the dung - beetle , though his actual food be vegetable remains extracted from the dung ) are hangers - on of ...
... remains play a very different part from the scavengers of plant remains . The former ( such as jackal or blow - fly grub , or the dung - beetle , though his actual food be vegetable remains extracted from the dung ) are hangers - on of ...
Página 593
... remain land , high and low , and sea , shallow and deep , to maintain the complex set of gradients which arranges ... remains to be seen whether man , with his deliberate aim at a higher efficiency , his replacement of the hitherto ...
... remain land , high and low , and sea , shallow and deep , to maintain the complex set of gradients which arranges ... remains to be seen whether man , with his deliberate aim at a higher efficiency , his replacement of the hitherto ...
Página 841
... remains a vast proportion of failure in tele- pathic endeavours . The public is too apt to hear only of telepathic ... remain unexplained in the emotional infection of crowds . There are such things as undesirable possibilities and for ...
... remains a vast proportion of failure in tele- pathic endeavours . The public is too apt to hear only of telepathic ... remain unexplained in the emotional infection of crowds . There are such things as undesirable possibilities and for ...
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