Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. ix
... Plants 28 Influence of Gravitation upon Plants . 29 The Power of Digestion in Plants 31 Diverse Means by which Plants gain their Subsistence 34 How a Plant preys upon Animals 35 II . PAGE THE PART PLAYED BY WORMS IN THE.
... Plants 28 Influence of Gravitation upon Plants . 29 The Power of Digestion in Plants 31 Diverse Means by which Plants gain their Subsistence 34 How a Plant preys upon Animals 35 II . PAGE THE PART PLAYED BY WORMS IN THE.
Стр. x
... WORMS IN THE HISTORY OF THIS PLANET . They preserve Valuable Ruins They prepare the Ground for Seed Intelligence of Worms 42 • 43 45 III . THE LAWS OF VARIABILITY WITH RESPECT TO ANIMALS AND PLANTS . Inherited Effect of Changed Habits ...
... WORMS IN THE HISTORY OF THIS PLANET . They preserve Valuable Ruins They prepare the Ground for Seed Intelligence of Worms 42 • 43 45 III . THE LAWS OF VARIABILITY WITH RESPECT TO ANIMALS AND PLANTS . Inherited Effect of Changed Habits ...
Стр. 38
... worm , with retracted horny jaws , the abdomen of some articulate animal , and specks of dirt , probably the remnants of other minute creatures , were found . Many of the papillæ within both the utricles and necks were discolored , as ...
... worm , with retracted horny jaws , the abdomen of some articulate animal , and specks of dirt , probably the remnants of other minute creatures , were found . Many of the papillæ within both the utricles and necks were discolored , as ...
Стр. 39
... not by means of an elastic valve , as with the foregoing species , but by a contrivance resembling an eel - trap , though more complex . II . THE PART PLAYED BY WORMS IN THE HISTORY. THE MOVEMENTS AND HABITS OF PLANTS . 39.
... not by means of an elastic valve , as with the foregoing species , but by a contrivance resembling an eel - trap , though more complex . II . THE PART PLAYED BY WORMS IN THE HISTORY. THE MOVEMENTS AND HABITS OF PLANTS . 39.
Стр. 40
... WORMS IN THE HISTORY OF THIS PLANET . table Mold Earthworms , page 305 . The Forma- WORMS have played a more important part tion of Vege- in the history of the world than most persons through the would at first suppose . In almost all ...
... WORMS IN THE HISTORY OF THIS PLANET . table Mold Earthworms , page 305 . The Forma- WORMS have played a more important part tion of Vege- in the history of the world than most persons through the would at first suppose . In almost all ...
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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