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High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! The work of Darwin from Orchids to Variation between 1860 and 1868 continued his research and experimentation on evolution as he worked sporadically on the first section of his "big book", carrying out tedious work to provide evidence of the extent of natural variation enabling the use of artificial selection. He was repeatedly held up by his illness, and continued to find relaxation and interest in the study of plants. His studies of insect pollination led to publication of his book Fertilisation of…mehr

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High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! The work of Darwin from Orchids to Variation between 1860 and 1868 continued his research and experimentation on evolution as he worked sporadically on the first section of his "big book", carrying out tedious work to provide evidence of the extent of natural variation enabling the use of artificial selection. He was repeatedly held up by his illness, and continued to find relaxation and interest in the study of plants. His studies of insect pollination led to publication of his book Fertilisation of Orchids as his first detailed demonstration of the power of natural selection, explaining the complex ecological relationships and making testable predictions. As his health declined, he lay on his sickbed in a room filled with inventive experiments to trace the movements of climbing plants.