Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. ix
... Female Plants Effect of Climate on Reproduction Causes of Sterility among Plants An " Ideal Type " or Inevitable Modification Special Adaptations to a Changing Purpose . 2 4 6 8 9 9 11 12 14 15 16 . 17 18 . 19 21 Interposition The Sleep ...
... Female Plants Effect of Climate on Reproduction Causes of Sterility among Plants An " Ideal Type " or Inevitable Modification Special Adaptations to a Changing Purpose . 2 4 6 8 9 9 11 12 14 15 16 . 17 18 . 19 21 Interposition The Sleep ...
Стр. xiii
... Females Courtship among the Lower Animals . 236 237 Why the Male plays the more Active Part in Courting Transmission of Sexual Characteristics 239 . 240 An Objection answered Difference between the Sexes created by Sexual Selection How ...
... Females Courtship among the Lower Animals . 236 237 Why the Male plays the more Active Part in Courting Transmission of Sexual Characteristics 239 . 240 An Objection answered Difference between the Sexes created by Sexual Selection How ...
Стр. 13
... female ; and the other , which is often smaller and more locomotive , may be called the male ; though these sexual names ought hardly to be applied as long as the whole contents of the two forms are blended into one . The object gained ...
... female ; and the other , which is often smaller and more locomotive , may be called the male ; though these sexual names ought hardly to be applied as long as the whole contents of the two forms are blended into one . The object gained ...
Стр. 14
... female glands , when placed in different parts of the same com- pound or simple individual , should not perform their functions equally well as when placed in two distinct in- dividuals . In some instances the sexes may have been ...
... female glands , when placed in different parts of the same com- pound or simple individual , should not perform their functions equally well as when placed in two distinct in- dividuals . In some instances the sexes may have been ...
Стр. 15
... FEMALE The Differ- ent Forms of Flowers , page 290 . PLANTS . Thirteen bushes ( of the spindle - tree ) grow- ing near one another in a hedge consisted of eight females quite destitute of pollen , and of five hermaphrodites with well ...
... FEMALE The Differ- ent Forms of Flowers , page 290 . PLANTS . Thirteen bushes ( of the spindle - tree ) grow- ing near one another in a hedge consisted of eight females quite destitute of pollen , and of five hermaphrodites with well ...
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Darwinism stated by Darwin himself: Characteristic passages from the ... Charles Darwin Ограниченный просмотр - 2023 |
Часто встречающиеся слова и выражения
acid acquired action adapted admit allied animals apes appear become believe birds body breeds cause character climate closely compared cotyledons crossed degree descended developed distinct species disuse domestic doubt early effects eggs embryo existence extinct eyes fact female fertilization forms gemmules genera genus geotropism Glacial habits hairs hermaphrodites highly horses increase individuals inhabitants inherited insects instance instincts islands kinds labellum lancelet larvæ leaves less living lower animals Malaxis paludosa males mammals manner mental millimetre modified monkeys movements muscles natural selection naturalists observed occasionally offspring organs Origin of Species ovules papillæ parent peculiar period pigeon plants points pollen pollinium possess present prey probably produced progenitors Quadrumana quadrupeds races radicles remarkable resemble rudimentary savages seedlings seeds seems sexes sexual elements sexual selection slight structure suppose surface tend tendency tion transmitted utricle variability variations varieties various vertebræ whole wild worms young