Evolution and Natural SelectionBeacon Press, 1959 - Всего страниц: 438 |
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Стр. 172
... selection in relation to different habits of life , as is sometimes the case ; or for one sex to be modified in relation to the other sex , as commonly occurs . This leads me to say a few words on what I have called Sexual Selection ...
... selection in relation to different habits of life , as is sometimes the case ; or for one sex to be modified in relation to the other sex , as commonly occurs . This leads me to say a few words on what I have called Sexual Selection ...
Стр. 174
... sexual selection on variations occurring at different ages , and transmitted to the males alone or to both sexes at cor- responding ages ; but I have not space here to enter on this subject . Thus it is , as I believe , that when the ...
... sexual selection on variations occurring at different ages , and transmitted to the males alone or to both sexes at cor- responding ages ; but I have not space here to enter on this subject . Thus it is , as I believe , that when the ...
Стр. 343
... Sexual Selection ; and , according to this belief , it is not surprising that man should differ so greatly in hairiness from all other Primates , for charac- ters , gained through sexual selection , often differ to an extraordi- nary ...
... Sexual Selection ; and , according to this belief , it is not surprising that man should differ so greatly in hairiness from all other Primates , for charac- ters , gained through sexual selection , often differ to an extraordi- nary ...
Содержание
The Darwins | 5 |
An Opportunity Almost Missed | 79 |
Return of a Nautical Zoologist | 126 |
Авторские права | |
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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