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Read Ebook: Ben Blair The Story of a Plainsman by Lillibridge Will
Font size: Background color: Text color: Add to tbrJar First Page Next PageEbook has 1573 lines and 94143 words, and 32 pagesThe Movement of Plants in Relation to their Wants 2 The Power of Movement in Animal and Plant compared 4 Advantages of Cross-Fertilization 6 Potency of the Sexual Elements in Plants 6 Experiments in Crossing 8 The Struggle for Existence among Seeds 9 Practical Application of these Views 9 Marriages of First Cousins 11 Development of the Two Sexes in Plants 12 Why the Sexes have been reseparated 14 Comparative Fertility of Male and Female Plants 15 Effect of Climate on Reproduction 16 Causes of Sterility among Plants 17 An "Ideal Type" or Inevitable Modification 18 Special Adaptations to a Changing Purpose 19 An Illustration 21 As interesting on the Theory of Development as on that of Direct Interposition 22 The Sleep of the Plants 24 Self-Protection during Sleep 25 Influence of Light upon 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 THE PART PLAYED BY WORMS IN THE HISTORY OF THIS PLANET. They preserve Valuable Ruins 42 They prepare the Ground for Seed 43 Intelligence of Worms 45 THE LAWS OF VARIABILITY WITH RESPECT TO ANIMALS AND PLANTS. Inherited Effect of Changed Habits 48 Effects of the Use and Disuse of Parts 50 Vague Origin of our Domestic Animals 52 Descent of the Domestic Pigeon 53 Origin of the Dog 55 Origin of the Horse 57 Causes of Modifications in the Horse 58 "Making the Works of God a mere Mockery" 59 Variability of Cultivated Plants 61 Savage Wisdom in the Cultivation of Plants 62 Unknown Laws of Inheritance 64 Laws of Inheritance that are fairly well established 66 Inherited Peculiarities in Man 67 Inherited Diseases 68 Causes of Non-Inheritance 69 Steps by which Domestic Races have been produced 71 Unconscious Selection 73 Adaptation of Animals to the Fancies of Man 74 Doubtful Species 75 Species an Arbitrary Term 77 The True Plan of Creation 79 Death inevitable in the Fight for Life 82 Add to tbrJar First Page Next Page |
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