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On the Various Contrivances by Which British and Foreign Orchids are Fertilised by Insects - And on the Good Effect of Intercrossing (Paperback)
Loot Price: R1,176
Discovery Miles 11 760
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On the Various Contrivances by Which British and Foreign Orchids are Fertilised by Insects - And on the Good Effect of Intercrossing (Paperback)
Series: Cambridge Library Collection - Darwin, Evolution and Genetics
Expected to ship within 12 - 17 working days
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In this investigation of orchids, first published in 1862, Darwin
expands on a point made in On the Origin of Species that he felt
required further explanation, namely that he believes it to be 'a
universal law of nature that organic beings require an occasional
cross with another individual'. Darwin explains the method by which
orchids are fertilised by insects, and argues that the intricate
structure of their flowers evolved to favour cross pollination
because of its advantages to the species. The book is written in
Darwin's usual precise and elegant style, accessible despite its
intricate detail. It includes a brief explanation of botanical
terms and is illustrated with 34 woodcuts.
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