Elementary Biology, Plant, Animal, HumanMacmillan, 1912 - 593 páginas |
Dentro del libro
Resultados 1-5 de 100
Página viii
... biology most worth while for the average boy or girl of fourteen years of age is not one based primarily on ... biology . Biological problems confront him at every turn , and if he is a normal being , he will have asked himself question ...
... biology most worth while for the average boy or girl of fourteen years of age is not one based primarily on ... biology . Biological problems confront him at every turn , and if he is a normal being , he will have asked himself question ...
Página ix
... biology that will best fit the interests of the " live material , " i.e. the boy or girl who is to take the course , that the central idea or factor must be man ; that all the various functions considered must have some relation to ...
... biology that will best fit the interests of the " live material , " i.e. the boy or girl who is to take the course , that the central idea or factor must be man ; that all the various functions considered must have some relation to ...
Página xi
... biological functions without first presenting some of the elementary principles involved in physical and chemical phenomena . For this reason the first chapter in Plant Biology is devoted to the study of the Composition of Lifeless and ...
... biological functions without first presenting some of the elementary principles involved in physical and chemical phenomena . For this reason the first chapter in Plant Biology is devoted to the study of the Composition of Lifeless and ...
Página xii
... biological topics which are more important in their practical bearings than is that of bacteria . As commonly studied the disease - pro- ducing effects of these ... biology . The method of presentation in " Animal Biology " is xii PREFACE.
... biological topics which are more important in their practical bearings than is that of bacteria . As commonly studied the disease - pro- ducing effects of these ... biology . The method of presentation in " Animal Biology " is xii PREFACE.
Página xiii
James Edward Peabody, Arthur Ellsworth Hunt. The method of presentation in " Animal Biology " is some- what different from that employed in " Plant Biology , " for the reason that several widely different types of animals are studied ...
James Edward Peabody, Arthur Ellsworth Hunt. The method of presentation in " Animal Biology " is some- what different from that employed in " Plant Biology , " for the reason that several widely different types of animals are studied ...
Otras ediciones - Ver todas
Elementary Biology: Plant, Animal, Human James Edward Peabody,Arthur Ellsworth Hunt Vista completa - 1912 |
Términos y frases comunes
alcohol animals anther arteries bacteria bark bean bees biology birds blood body bones bottle butterfly called carbon dioxid cavity cells chemical chemical elements chlorophyll color composed compound corn grain cotyledons covered crops cross-pollination Describe develop digestion egg-cell eggs embryo energy epidermis experiment Fehling's solution fertilized fish floral envelopes flowers food substances frog fruit functions germination gill glass grape sugar green growth hydrogen inches insects intestine kinds known Label Laboratory Study larvæ layer leaf leaves legs lime water liquid living lungs malaria material membrane microscope mineral matters mosquito moths mouth nucleus nutrients Optional organs outer ovary ovule oxidation oxygen pansy petal piece pistil plants pollen grains preparation produced protein protoplasm region root-hairs roots seedling seeds soil soil-water spores stamens starch stem stigma stoma stomach structure surface test tube thistle tube tiny tion trees tumbler veins wall wings
Pasajes populares
Página 169 - I suppose, have thus suffered; and if I had to live my life again, I would have made a rule to read some poetry and listen to some music at least once every week; for perhaps the parts of my brain now atrophied would thus have been kept active through use.
Página 167 - Could the young but realize how soon they will become mere walking bundles of habits, they would give more heed to their conduct while in the plastic state.
Página 36 - For they covered the face of the whole earth, so that the land was darkened; and they did eat every herb of the land, and all the fruit of the trees which the hail had left; and there remained not any green thing in the trees, or in the herbs of the field, through all the land of Egypt.
Página 167 - I won't count this time!" Well, he may not count it, and a kind Heaven may not count it; but it is being counted none the less. Down among his...
Página 168 - Let no youth have any anxiety about the upshot of his education, whatever the line of it may be. If he keep faithfully busy each hour of the working day, he may safely leave the final result to itself. He can with perfect certainty count on waking up some fine morning to find himself one of the competent ones of his generation, in whatever pursuit he may have singled out.
Página 103 - AMERICAN ORNITHOLOGISTS' UNION. An Act for the Protection of Birds and their Nests and Eggs. Section i. No person shall, within the State of- , kill or catch or have in his or her possession, living or dead, any wild bird other than a...
Página 169 - My mind seems to have become a kind of machine for grinding general laws out of large collections of facts ; but why this should have caused the atrophy of that part of the brain alone on which the higher tastes depend, I cannot conceive.
Página 167 - Well, he may not count it, and a kind Heaven may not count it; but it is being counted none the less. Down among his nerve-cells and fibres the molecules are counting it, registering and storing it up to be used against him when the next temptation comes.
Página 59 - In my opinion this exhibition of moral courage has never been surpassed in the annals of the Army of the United States.
Página 80 - The use of intoxicants by employes while on duty is prohibited. Their habitual use, or the frequenting of places where they are sold, is sufficient cause for dismissal.