The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 109
... creatures . The mammals on land , the birds in the air , the fish in the water - these include in their ranks the largest , strongest , and swiftest of creatures , and those with the greatest powers of endurance . That is why their one ...
... creatures . The mammals on land , the birds in the air , the fish in the water - these include in their ranks the largest , strongest , and swiftest of creatures , and those with the greatest powers of endurance . That is why their one ...
Página 186
... creatures , even proof in some cases , and yet no instrument to see them with ! But happily a new method is being worked out , a method by which we can pry into the anatomy of some at least of the larger of these ultramicroscopic creatures ...
... creatures , even proof in some cases , and yet no instrument to see them with ! But happily a new method is being worked out , a method by which we can pry into the anatomy of some at least of the larger of these ultramicroscopic creatures ...
Página 512
... creatures will be extraordinary . Here are abundance of crustaceans , rowing themselves along by means of their long antennæ . Some of them are adult and spend all their lives thus constantly active in the roof of the sea . Others are ...
... creatures will be extraordinary . Here are abundance of crustaceans , rowing themselves along by means of their long antennæ . Some of them are adult and spend all their lives thus constantly active in the roof of the sea . Others are ...
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