The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 205
... separate , not joined as in adult horses . ( Modified from drawings by Professor Cossar Ewart . ) OLIGOCENE MIOCENE PLIOCENE ( VB ) 20 ( V.C. ). only in details of proportion . They are all grass - plain animals . In the stage before ...
... separate , not joined as in adult horses . ( Modified from drawings by Professor Cossar Ewart . ) OLIGOCENE MIOCENE PLIOCENE ( VB ) 20 ( V.C. ). only in details of proportion . They are all grass - plain animals . In the stage before ...
Página 374
... separate species on each of the main islands . This is notably true of the extraordinary giant tortoises ; of the mocking - birds ; and of the various genera of peculiar Galapagos finches , found nowhere else . It is equally true of the ...
... separate species on each of the main islands . This is notably true of the extraordinary giant tortoises ; of the mocking - birds ; and of the various genera of peculiar Galapagos finches , found nowhere else . It is equally true of the ...
Página 403
... separate filaments , and the same is true of almost all red and many brown seaweeds . In all higher plants , on the other hand , from mosses upwards , the single cells are cemented together , and there is no trace of separate filaments ...
... separate filaments , and the same is true of almost all red and many brown seaweeds . In all higher plants , on the other hand , from mosses upwards , the single cells are cemented together , and there is no trace of separate filaments ...
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