A New Theory of Organic EvolutionW. Blackwood and Sons, 1903 - 174 páginas |
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Página 10
... evolve an organism of the same type ; and therefore , assuming that Specific life- force is transmitted from parent to offspring , heredity is a necessary outcome of reproduc- tion like will produce like . On the same principle , any ...
... evolve an organism of the same type ; and therefore , assuming that Specific life- force is transmitted from parent to offspring , heredity is a necessary outcome of reproduc- tion like will produce like . On the same principle , any ...
Página 11
... evolved by a General life - force in combination with a Specific life- force . The General life - force is common to all life , but the Specific life - force is peculiar to each race , and builds up its specific type . The Specific life ...
... evolved by a General life - force in combination with a Specific life- force . The General life - force is common to all life , but the Specific life - force is peculiar to each race , and builds up its specific type . The Specific life ...
Página 15
... evolved . So treated , the herd of the successful breeder will in a few generations approxi- mate , perhaps as closely as it ever will , to a full expression of the type . There were as good specimens of our pedigreed breeds of cattle ...
... evolved . So treated , the herd of the successful breeder will in a few generations approxi- mate , perhaps as closely as it ever will , to a full expression of the type . There were as good specimens of our pedigreed breeds of cattle ...
Página 35
... fabrics will have so much in common that the complex might seem to have grown out of the simple , -as in a sense it did . But no intelligent observer would conclude that the brocade of the Duchess was evolved from ANALOGIES . 35.
... fabrics will have so much in common that the complex might seem to have grown out of the simple , -as in a sense it did . But no intelligent observer would conclude that the brocade of the Duchess was evolved from ANALOGIES . 35.
Página 36
James W. Barclay. conclude that the brocade of the Duchess was evolved from the mat of the savage by selection , or by environment , or by spontaneous " variation . 66 We know that for every new fabric and every new pattern of the web ...
James W. Barclay. conclude that the brocade of the Duchess was evolved from the mat of the savage by selection , or by environment , or by spontaneous " variation . 66 We know that for every new fabric and every new pattern of the web ...
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According to Darwin accumulation of beneficial ADAM BEDE antecessor appeared Author beneficial differences Blackwood breeder cattle cessive CHAPTER Cheap Edition Cheaper Church of Scotland CLASSICS FOR ENGLISH cloth colour common-sense conclusions conditions of existence Crown 8vo Darwin Darwinian Demy 8vo disuse domestic animals embryo ence evidence evolution evolved expression of type Fcap force French morocco genera George Eliot germ-cell germ-plasm gilt top growth habits History hybrids hypothesis J. G. Lockhart Jacquard loom JAMES JOHN Lectures less highly specialised limp LL.D loom mammal Maps modification natural selection numerous Illustrations OLIPHANT organisation organs Origin of Species paper cover People's Edition phenomena Philosophy Photogravure physique plant Poems Portrait Post 8vo Prof progeny rock-pigeon Romance royal 8vo Scottish Second Edition Second Impression secondary causes seed selective breeding Specific life-force specific variation struggle for existence successive types successor theory Third Edition tion University of Edinburgh vols whale wild species WILLIAM
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