Evolution and Natural SelectionBeacon Press, 1959 - Всего страниц: 438 |
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Стр. 154
... less distinguishable , affect their safety ; a greater or less development of hair might modify their habits . More important changes , such as an increase in the power or dimensions of the limbs or any of the external organs , would ...
... less distinguishable , affect their safety ; a greater or less development of hair might modify their habits . More important changes , such as an increase in the power or dimensions of the limbs or any of the external organs , would ...
Стр. 193
... less severe , and there will have been less modification and less extermination . Hence , we can understand how it is that the flora of Madeira , according to Oswald Heer , resembles to a certain extent the extinct tertiary flora of ...
... less severe , and there will have been less modification and less extermination . Hence , we can understand how it is that the flora of Madeira , according to Oswald Heer , resembles to a certain extent the extinct tertiary flora of ...
Стр. 327
... less in barbarous , than in civilised races . We know nothing positively on this head , for with savages no census has been taken ; but from the concurrent testimony of missionaries , and of others who have long resided with such people ...
... less in barbarous , than in civilised races . We know nothing positively on this head , for with savages no census has been taken ; but from the concurrent testimony of missionaries , and of others who have long resided with such people ...
Содержание
The Darwins | 5 |
An Opportunity Almost Missed | 79 |
Return of a Nautical Zoologist | 126 |
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Часто встречающиеся слова и выражения
acquired action adapted afterwards Alfred Russel Wallace animals and plants apes appear archipelago Asa Gray Beagle become believe birds cause character Charles Darwin Chatham Island colour degree developed divergence domestic doubt early progenitors effect Emma Darwin Emma Wedgwood Erasmus Darwin existence expression extinct extremely fact father favourable female flower forms genera genus geological gradations greater number groups habits Henslow important increase individuals inhabitants inherited insects instance instincts intercrossing intermediate islands Josiah Wedgwood kind less Letters living lower animals Lyell Maer males mammals manner mental mind monkeys muscles natural selection naturalists never object observed occasionally offspring organs Origin of Species perfect period pollen present principle probably produced races relation remarkable Robert Waring Darwin savages sexual selection Shrewsbury skull slight structure supposed swimbladder tail tend theory tion tortoise trees variability variations varieties vertebrate voyage Wedgwood whilst young