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French biologist Jean Baptiste de Lamarck says organisms change by adapting to their environment. These "acquired characteristics," he says, are then inherited: giraffes' necks are long because they must reach for their food.
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Charles Darwin Born
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1831 Voyage of the Beagle.
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In 1842 Charles Darwin penned his first sketch of what became On the Origin of Species.[18]
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Wallace wrote on natural selection. Both Darwin's and Wallace's ideas presented to the Linnaean Society of London
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Darwin published The Origin of Species.
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only in the 1920s when such fossils were discovered in Africa
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.