Elements of Biology: A Practical Text-book Correlating Botany, Zoology, and Human PhysiologyAmerican Book Company, 1907 - 445 páginas |
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Página 12
... kidney bean mean but little to us if we cannot correlate these observations with others and relate them to scien- tific truths already learned . A great many men , working for long periods of time , have gathered together a large number ...
... kidney bean mean but little to us if we cannot correlate these observations with others and relate them to scien- tific truths already learned . A great many men , working for long periods of time , have gathered together a large number ...
Página 30
... kidneys . ( 7 ) Protoplasm can reproduce , that is , form other matter like itself . New plants are constantly appearing to take the places of those that die . The supply of living things upon the earth is not de- creasing ...
... kidneys . ( 7 ) Protoplasm can reproduce , that is , form other matter like itself . New plants are constantly appearing to take the places of those that die . The supply of living things upon the earth is not de- creasing ...
Página 66
... kidney bean from the edge bearing the hilum scar , and show exactly the location of the hilum , micropyle , and strophiole . Make the drawing twice natural size . Home Experiment . - - Divide ten kidney beans of nearly equal size into ...
... kidney bean from the edge bearing the hilum scar , and show exactly the location of the hilum , micropyle , and strophiole . Make the drawing twice natural size . Home Experiment . - - Divide ten kidney beans of nearly equal size into ...
Página 67
... kidney bean is one of the materials very rich in proteid food . It con- tains not less than 23 per cent of proteid , 57 per cent of carbohydrates , and about 2 per cent of fats . Test a bean by heating it on a piece of paper in the oven ...
... kidney bean is one of the materials very rich in proteid food . It con- tains not less than 23 per cent of proteid , 57 per cent of carbohydrates , and about 2 per cent of fats . Test a bean by heating it on a piece of paper in the oven ...
Página 129
... kidney - shaped , one on each side of the stoma . These are the guard cells . By change in shape of these cells the open- ing of the stoma is made larger or smaller . Note also the larger irregular cells of the epidermis or outer ...
... kidney - shaped , one on each side of the stoma . These are the guard cells . By change in shape of these cells the open- ing of the stoma is made larger or smaller . Note also the larger irregular cells of the epidermis or outer ...
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adapted alcohol American Book Company amount animal arteries bacteria bean beetle birds blood vessels bone Botany breathing called carbon dioxide cause cells cerebrum color colorless corpuscles containing corn corpuscles cotyledons covered crayfish developed dicotyledonous digestive eggs endosperm example experiment fibers fish flower fluid frog fruit germinate gills glands grain green grow growth heart heat Hunter and Valentine insects intestine kidney known laboratory large number larvæ layer leaf leaves legs living lungs Manual means membrane microscope mollusks monocotyledon mouth muscles muscular nerve nervous system nitrogen Notice organs outer ovary oxidation oxygen parasitic pass Physiology pistil pollen proteid protoplasm root hairs seedlings seeds seen shell side skeleton skin soil species sporangium spores stamens starch stem stomach stomata structure substance sugar surface teeth temperature tiny tion tissues tree veins vertebral vertebral column walls wings worm Zoology