The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 345
... complete or normal females ; physical differentiation of the internal organs of reproduction had proceeded so far before birth that it cannot be completely reversed . The feminization is , however , complete for all characteristics ...
... complete or normal females ; physical differentiation of the internal organs of reproduction had proceeded so far before birth that it cannot be completely reversed . The feminization is , however , complete for all characteristics ...
Página 835
... complete con- tinence for long periods of time or for always was quite possible for human beings and on the whole better for them than indulgence . A priori this seems improbable . Many of our new liberators , however , seem to go ...
... complete con- tinence for long periods of time or for always was quite possible for human beings and on the whole better for them than indulgence . A priori this seems improbable . Many of our new liberators , however , seem to go ...
Página 869
... complete uniformity or complete stability . The nomad reacted upon the agriculturalist and the agricul- turalist on the nomad . They swapped stories and imitated methods . They never ceased from interaction and inter- breeding . Of this ...
... complete uniformity or complete stability . The nomad reacted upon the agriculturalist and the agricul- turalist on the nomad . They swapped stories and imitated methods . They never ceased from interaction and inter- breeding . Of this ...
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