The Origin of Species: By Means of Natural Selection Or the Preservation of Favoured Races in the Struggle for LifeCastle Books, 2004 - Всего страниц: 703 The instant best-seller and source of controversy of 1859, this classic has lost none of its appeal or importance. A reprint of the original edition, value priced with a new jacket. |
Результаты поиска по книге
Результаты 1 – 3 из 79
Стр. 63
... known , and its species were founded upon a few specimens , that is to say , were provisional . Just as we come to know them better , intermediate forms flow in , and doubts as to specific limits augment . " He also adds that it is the ...
... known , and its species were founded upon a few specimens , that is to say , were provisional . Just as we come to know them better , intermediate forms flow in , and doubts as to specific limits augment . " He also adds that it is the ...
Стр. 331
... known occasionally to lay their eggs in other birds ' nests . Now let us suppose that the ancient progenitor of our ... known to us only in a single species , is useless , for we have hitherto had no facts to guide us . Until recently ...
... known occasionally to lay their eggs in other birds ' nests . Now let us suppose that the ancient progenitor of our ... known to us only in a single species , is useless , for we have hitherto had no facts to guide us . Until recently ...
Стр. 446
... known Fossiliferous Strata . There is another and allied difficulty , which is much more serious . I allude to the manner in which species belonging to several of the main divisions of the animal kingdom suddenly appear in the lowest known ...
... known Fossiliferous Strata . There is another and allied difficulty , which is much more serious . I allude to the manner in which species belonging to several of the main divisions of the animal kingdom suddenly appear in the lowest known ...
Содержание
CHAPTER I | 5 |
Variability Individual differences Doubtful species Wide | 51 |
STRUGGLE FOR EXISTENCE | 75 |
Авторские права | |
Не показаны другие разделы: 10
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
adapted admit affinities allied species America analogous ancient appear beak become bees believe belonging birds breeds cause cells characters climate closely allied colour continent crossed crustaceans degree developed difficulty distinct species divergence doubt eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation formerly forms fossil Fritz Müller genera genus geological Glacial period gradations greater number groups of species habits Hence hybrids hybrids produced important increase individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ larvæ less living male mammals manner Marsupials migration modified descendants natural selection naturalists nearly nest occasionally occur oceanic islands offspring organisation organs Origin of Species paleozoic parent peculiar perfect pigeon pistil pollen present preserved principle probably produced quadrupeds ranked remarked resemblance rudimentary seeds slight South America stamens sterility structure successive supposed theory tion trees variability variations varieties vary whilst whole wings young