Life and Evolution: An Introduction to General BiologyHarcourt, Brace, 1926 - Всего страниц: 449 |
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Стр. 2
... pass in review some of the outstanding differences between living and dead things . The great English biologist , Professor Huxley , specified as the distinctive properties of living matter : ( 1 ) its chemical composition ; ( 2 ) its ...
... pass in review some of the outstanding differences between living and dead things . The great English biologist , Professor Huxley , specified as the distinctive properties of living matter : ( 1 ) its chemical composition ; ( 2 ) its ...
Стр. 5
... pass through all ordinary filters , and are too small to be visible through the most powerful microscope ; and at the other , the gigantic whales , and the mammoth redwood trees of California THE LIVING AND THE NON - LIVING 5.
... pass through all ordinary filters , and are too small to be visible through the most powerful microscope ; and at the other , the gigantic whales , and the mammoth redwood trees of California THE LIVING AND THE NON - LIVING 5.
Стр. 7
... pass through a cycle of changes , is the power of organisms to give rise to other organisms of the same kind , i . e . , the power of reproduction , which insures the perpetuation of life , despite the inevitable death of the individual ...
... pass through a cycle of changes , is the power of organisms to give rise to other organisms of the same kind , i . e . , the power of reproduction , which insures the perpetuation of life , despite the inevitable death of the individual ...
Стр. 11
... passes through them quite as much as they are with respect to their component materials . The energy which I expend in writing these words is yielded chiefly by the combus- tion of carbohydrates in my muscles . These carbohydrates are ...
... passes through them quite as much as they are with respect to their component materials . The energy which I expend in writing these words is yielded chiefly by the combus- tion of carbohydrates in my muscles . These carbohydrates are ...
Стр. 21
... as an essential condition of life . Protoplasm commonly hovers on the verge between coagula- tion and solution , passing from the one state to the other , or rather toward the one state or the other , with THE PHYSICAL BASIS OF LIFE 21.
... as an essential condition of life . Protoplasm commonly hovers on the verge between coagula- tion and solution , passing from the one state to the other , or rather toward the one state or the other , with THE PHYSICAL BASIS OF LIFE 21.
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Часто встречающиеся слова и выражения
algæ Amoeba ants appearance b₁ b2 B2 b₁ bacteria become birds blood body called carried causes cavity cell division centrosomes characters chemical chromosomes cœlom colony color commonly crustaceans cytoplasm Darwin digestive disease ectoderm eggs embryo epithelium evolution fact factors female fermentation fertilized fibers fluid forms function gametes gastrula germ cells germ plasm gill glands green hereditary heredity higher animals human Hydra hydroids individuals inheritance insects intestine kinds known large number larvæ later layer liver living lower Macmillan male mammals Mendelian micronucleus mitosis muscles nerve nest notochord nucleus occur organisms outer ovum pairs parasites parents parthenogenesis peculiar period plants and animals pollen primitive produced progeny proteins protoplasm queen regeneration region relation relatively reproduction result secretion sex cells sexual species sperm spores stage structure substance surface synapsis theory tion tissue usually ventral vertebrates vessels wall worms X chromosome young
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Стр. 353 - I look at the geological record as a history of the world imperfectly kept, and written in a changing dialect; of this history we possess the last volume alone, relating only to two or three countries. Of this volume, only here and there a short chapter has been preserved; and of each page, only here and there a few lines.
Стр. 395 - Given any species in any region, the nearest related species is not likely to be found in the same region nor in a remote region, but in a neighboring district separated from the first by a barrier of some sort.
Стр. 10 - Life is a series of definite and successive changes, both of structure and composition, which take place within an individual without destroying its identity.
Стр. 222 - ... mandibles have lost their teeth, and have become mere nippers, deadly weapons indeed, but useless except in war. They have lost the greater part of their instincts : their art, that is, the power of building ; their domestic habits, for they take no...
Стр. 411 - One half of the Jukes were and are feeble-minded, mentally incapable of responding normally to the expectations of society, brought up under faulty environmental conditions which they consider normal, satisfied with the fulfillment of natural passions and desires, and with no ambition or ideals in life.
Стр. 206 - Duvaucel saw a Hylobates washing the faces of her young ones in a stream. So intense is the grief of female monkeys for the loss of their young, that it invariably caused the death of certain kinds kept under confinement by Brehm in North Africa.
Стр. 229 - Yet although the ox has so little affection for, or individual interest in, his fellows, he cannot endure even a momentary severance from his herd. If he be separated from it by stratagem or force, he exhibits every sign of mental agony ; he strives with all his might to get back again, and when he succeeds, he plunges into its middle to bathe his whole body with the comfort of closest companionship.
Стр. 333 - Creator; but unless it be specified whether order in time or space, or both, or what else is meant by the plan of the Creator, it seems to me that nothing is thus added to our knowledge. Expressions such as that famous one by Linnaeus, which we often meet with in a more or less concealed form, namely, that the characters do not make the genus, but that the genus gives the characters, seem to imply that some deeper bond is included in our classifications than mere resemblance. I believe that this...
Стр. 194 - The bullfinch makes his advances in front of the female, and then puffs out his breast, so that many more of the crimson feathers are seen at once than otherwise would be the case. At the same time he twists and bows his black tail from side to side in a ludicrous manner. The male chaffinch also stands in front of the female, thus shewing his red breast and 'blue bell...
Стр. 92 - Divel has raised those Arsenical Fumes, which become Venomous Quivers full of Terrible Arrows, how easily can he shoot the deleterious Miasms into those Juices or Bowels of Men's Bodies, which will soon Enflame them with a Mortal Fire...