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How is this book unique? Font adjustments & biography included Unabridged (100% Original content) Illustrated About The Different Forms of Flowers on Plants of the Same Species by Charles Darwin The Different Forms of Flowers on Plants of the Same Species is a book by Charles Darwin first published in 1877. These writings contributed to Darwin's pursuit of evidence that would support his theory of natural selection. There were only two more books to follow: The Power of Movement in Plants (1880) and The Formation of Vegetable Mould through the Action of Worms (1881). He conducted a wide range of experiments and observations and the results of these form the framework of the book. He was assisted in this work by his son, Francis Darwin who also wrote a preface for the second edition which was published two years after his father's death in 1882. The book was dedicated to his longtime friend and colleague, Harvard botany professor Asa Gray "as a small tribute of respect and affection". Using the four classifications established by Carl Linnaeus (hermaphroditic, monoecious, dioecious, polygamous), Darwin concentrated on two divisions of the hermaphroditic class, namely the cleistogamic and heterostyled. Darwin's reflections indicate the economy of nature through a process of gradual modification of plants, their structures being modified and degraded for the purpose of the large scale production of seed which is necessary and advantageous for survival. Darwin states: "Cleistogamic flowers ... are admirably fitted to yield a copious supply of seed at a wonderfully small cost to the plant." Francis Darwin indicated that the work on heterostylism had given his father extreme pleasure, especially as it had been one of the most puzzling bits of work he ever carried out. Darwin thought that hardly anyone had seen the full importance of heterostylism.
Why buy our paperbacks? Expedited shipping High Quality Paper Made in USA Standard Font size of 10 for all books 30 Days Money Back Guarantee BEWARE of Low-quality sellers Don't buy cheap paperbacks just to save a few dollars. Most of them use low-quality papers & binding. Their pages fall off easily. Some of them even use very small font size of 6 or less to increase their profit margin. It makes their books completely unreadable. How is this book unique? Unabridged (100% Original content) Font adjustments & biography included Illustrated The Power of Movement in Plants by Charles Darwin The Power of Movement in Plants is a book by Charles Darwin on phototropism and other types of movement in plants. This book continues his work in producing evidence for his theory of natural selection. As it was one of his last books, followed only by the publication of The Formation of Vegetable Mould through the Action of Worms, he was assisted by his son Francis in conducting the necessary experiments and preparing the manuscript. The Power of Movement in Plants was published 6 November 1880, and 1500 copies were quickly sold by publisher John Murray. This book stands at the culmination of a long line of study in plants and is immediately preceded by 'The different forms of flowers on Plants of the same species' (1877). (See Bibliography for additional publications on plants.) These studies on plants were first evidenced in 'On the various contrivances by which British and foreign orchids are fertilised by insects' (1862), the publication that immediately followed On the Origin of Species By Means of Natural Selection. He co-authored this study with his son Francis Darwin (who specialised in botany) and his devotee, George Romanes, who assisted in editing the work. The work was begun in earnest late in 1877, after his work on climbing plants (1875) and insectivorous plants (1875) stimulated his interest in the subject. At times, Darwin despaired of ever finishing the work, as the book outgrew his original expectations: "I have written a rather big book-more is the pity-on the movements of plants, and I am now just beginning to go over the MS. for the second time, which is a horrid bore." As the book neared completion, he summarised its underlying viewpoint: "My MS. relates to the movements of plants, and I think that I have succeeded in showing that all the more important great classes of movements are due to the modification of a kind of movement common to all parts of all plants from their earliest youth." The work concerns itself with how plants respond to external stimuli and examines these processes in individual plants to gain understanding of some general principles governing their growth and life. This continues Darwin's work of elucidating how natural selection works and specifically how plants have adapted to differing environments whilst at the same time answering some objections of his day that evolution could not account for changes in behavioural responses. In his conclusions, Darwin presents the key features of plants from an evolutionary perspective indicating that gradual modification of these processes in response to natural selective forces like light and water could enable extensive ability to adapt.
The Different Forms of Flowers on Plants of the Same Species Charles Darwin
the different forms of flowers on plants of the same species From Charles Darwin
"The Different Forms of Flowers on Plants of the Same Species" is a seminal paintings authored by Charles Darwin, the famend British naturalist and evolutionary biologist. This book represents a tremendous contribution to the observe of sexual replica in plant life. In this work, Darwin meticulously examines the charming phenomenon of heterostyly, which involves the presence of wonderful floral forms within a single plant species. He offers a complete account of his experiments and observations on diverse plant species, including primroses and cowslips, to recognize the motive and significance of those extraordinary floral bureaucracy. Darwin's crucial hypothesis is that heterostyly serves as a mechanism to sell move-pollination, thereby increasing the genetic variety of plant populations. He explores how the particular preparations of stigma and anthers in special floral bureaucracy encourage pollinators to switch pollen among vegetation of various bureaucracy, preventing self-fertilization. Darwin's work on floral heteromorphism now not best contributes to our information of plant reproductive strategies but additionally extends his concept of natural choice to the area of botany. He emphasizes the position of variation and selection within the evolution of floral forms and the ecological relationships between vegetation and their pollinators.