Selections from "The Origin of Species", "The Descent of Man", "The Espressions of the Emotions in Man and Animals", "Animals and Plants", "Insectivorous Plants" and "The Formation of Vegetable Mould"Street & Smith, 1902 - Всего страниц: 213 |
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Стр. 22
... depend- ent on the moisture . A plant which annually produces a thousand seeds , of which only one on an average ... depends on them ; and it may metaphorically be said to struggle with other fruit - bearing plants , in tempting the ...
... depend- ent on the moisture . A plant which annually produces a thousand seeds , of which only one on an average ... depends on them ; and it may metaphorically be said to struggle with other fruit - bearing plants , in tempting the ...
Стр. 26
... two species can be supported in a district . A large number of eggs is of some importance to those species which depend on a fluctuating amount of food for it allows them rapidly to increase in num- ber 26 Charles Darwin .
... two species can be supported in a district . A large number of eggs is of some importance to those species which depend on a fluctuating amount of food for it allows them rapidly to increase in num- ber 26 Charles Darwin .
Стр. 27
... depends only indirectly on the number of its eggs or seeds . In looking at Nature , it is most necessary to keep the foregoing considerations always in mind - never to forget that every single or- ganic being may be said to be striving ...
... depends only indirectly on the number of its eggs or seeds . In looking at Nature , it is most necessary to keep the foregoing considerations always in mind - never to forget that every single or- ganic being may be said to be striving ...
Стр. 42
... frequently oc- curred . I saw the great importance of indi- vidual differences , and this led me fully to dis- cuss the results of unconscious selection by man , which depends on the preservation of all the 42 Charles Darwin .
... frequently oc- curred . I saw the great importance of indi- vidual differences , and this led me fully to dis- cuss the results of unconscious selection by man , which depends on the preservation of all the 42 Charles Darwin .
Стр. 43
Charles Darwin. man , which depends on the preservation of all the more or less valuable individuals , and on the destruction of the worst . I saw , also , that the preservation in a state of nature of any occasional deviation of ...
Charles Darwin. man , which depends on the preservation of all the more or less valuable individuals , and on the destruction of the worst . I saw , also , that the preservation in a state of nature of any occasional deviation of ...
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Часто встречающиеся слова и выражения
action advantage animals and plants anthropomorphous appear baboon beak become biped birds body breed cats cattle cause character chimpanzee close clover coccus coccyx degree deviations of structure distinct dividuals domestic animals doubt Drosera ears effect eggs erect expression extremely fact feel female fertile flower frown gastric juice give glands greater number habits hand heath higher animals hive-bee horses important increase individuals inflected inherited insects instance kinds leaves legs less likewise lower animals males mals mammals mandrill manner mental modified monkeys mouth muscles native natural selection nectar offspring organs Origin of Species Paraguay peculiar pepsin period pollen prey produced races red clover remarks Rengger savage secretion seeds seen sexes sexual selection slight social instinct species spinal stripe stamens struggle tail tain tentacles tion trees tural uncon variability variations varieties various vary vertebræ vigorous whole wild worms young
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Стр. 150 - Is it not monstrous that this player here, But in a fiction, in a dream of passion, Could force his soul so to his own conceit That from her working all his visage wann'd ; Tears in his eyes, distraction in 's aspect, A broken voice, and his whole function suiting With forms to his conceit...
Стр. 40 - It may be said that natural selection is daily and hourly scrutinizing, throughout the world, every variation, even the slightest; rejecting that which is bad, preserving, and adding up all that is good; silently and insensibly working, whenever and wherever opportunity offers, at the improvement of each organic being in relation to its organic and inorganic conditions of life.
Стр. xi - Variability from the indirect and direct action of the external conditions of life, and from use and disuse; a Ratio of Increase so high as to lead to a Struggle for Life, and as a consequence to Natural Selection, entailing Divergence of Character and the Extinction of lessimproved forms.
Стр. 32 - ... the action and reaction of the innumerable plants and animals which have determined, in the course of centuries, the proportional numbers and kinds of trees now growing on the old Indian ruins...
Стр. 40 - Nature's productions should be far "truer" in character than man's productions; that they should be infinitely better adapted to the most complex conditions of life, and should plainly bear the stamp of far higher workmanship? It may metaphorically be said that natural selection is daily and hourly scrutinizing, throughout the world, the slightest variations; rejecting those that are bad, preserving and adding up all that are good; silently and insensibly working, whenever and wherever opportunity...
Стр. 93 - Thus at last man comes to feel through acquired and perhaps inherited habit, that it is best for him to obey his more persistent instincts. The imperious word ought...
Стр. 105 - The main conclusion arrived at in this work, namely that man is descended from some lowly organised form, will, I regret to think, be highly distasteful to many. But there can hardly be a doubt that we are descended from barbarians. The astonishment which I felt on first seeing a party of Fuegians on a wild and broken shore will never be forgotten by me, for the reflection...
Стр. 96 - They collect food for the community, and when an object, too large for entrance, is brought to the nest, they enlarge the door, and afterwards build it up again.
Стр. 38 - No country can be named in which all the native inhabitants are now so perfectly adapted to each other and to the physical conditions under which they live, that none of them could...
Стр. 19 - would ever try to make a fantail till he saw a pigeon with a tail developed in some slight degree in an unusual manner, or a pouter until he saw a pigeon with a crop of unusual size.