The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 157
... leaves , finished chemical products from the leaves down to the toiling tissues of the roots . And the roots , sinking hungrily into the soil , sucking up raw materials for the green factories to work upon , branch and branch again into ...
... leaves , finished chemical products from the leaves down to the toiling tissues of the roots . And the roots , sinking hungrily into the soil , sucking up raw materials for the green factories to work upon , branch and branch again into ...
Página 222
... leaves , and are accordingly not so much heated as leaves would be , and so lose less water from their pores . However , leaves are not absent in the Butcher's Broom ; they are still to be found , but only in the form of vestiges , mere ...
... leaves , and are accordingly not so much heated as leaves would be , and so lose less water from their pores . However , leaves are not absent in the Butcher's Broom ; they are still to be found , but only in the form of vestiges , mere ...
Página 443
Herbert George Wells, Julian Huxley, George Philip Wells. lozenge marking where a leaf has fallen ; for these plants , like the modern club - mosses , grow leaves all up their stems , but resemble many palms in shedding the lower leaves ...
Herbert George Wells, Julian Huxley, George Philip Wells. lozenge marking where a leaf has fallen ; for these plants , like the modern club - mosses , grow leaves all up their stems , but resemble many palms in shedding the lower leaves ...
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