Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. 2
... various kinds of movement which they display in manifest relation to their wants . The most different organs - stems , branches , flower - peduncles , petioles , mid- ribs of the leaf and leaflets , and apparently aërial roots— all ...
... various kinds of movement which they display in manifest relation to their wants . The most different organs - stems , branches , flower - peduncles , petioles , mid- ribs of the leaf and leaflets , and apparently aërial roots— all ...
Стр. 4
... various movements are effected , there can be little doubt , from the researches of Sachs and H. de Vries , that they are due to unequal growth ; but , from the reasons already assigned , I can not believe that this explanation applies ...
... various movements are effected , there can be little doubt , from the researches of Sachs and H. de Vries , that they are due to unequal growth ; but , from the reasons already assigned , I can not believe that this explanation applies ...
Стр. 22
... various ways , would create an endless di- versity of co - adapted structures in the several parts of the flower for the same general purpose . This view affords , I believe , the key which partly solves the prob- lem of the vast ...
... various ways , would create an endless di- versity of co - adapted structures in the several parts of the flower for the same general purpose . This view affords , I believe , the key which partly solves the prob- lem of the vast ...
Стр. 31
... various organic bodies than over inorganic bodies , such as bits of glass , cin- der , wood , etc. , it becomes an interesting inquiry whether they can only absorb matter already in solution , or ren- der it soluble ; that is , have the ...
... various organic bodies than over inorganic bodies , such as bits of glass , cin- der , wood , etc. , it becomes an interesting inquiry whether they can only absorb matter already in solution , or ren- der it soluble ; that is , have the ...
Стр. 33
... various objects , and never failed to find it acid . We may , therefore , conclude that the secretion from unex- cited leaves , though extremely viscid , is not acid or only slightly so , but that it becomes acid , or much more strongly ...
... various objects , and never failed to find it acid . We may , therefore , conclude that the secretion from unex- cited leaves , though extremely viscid , is not acid or only slightly so , but that it becomes acid , or much more strongly ...
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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