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How do populations grow in size? How does Darwin explain this?
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Solved in 2 steps
- How do populations grow in size? How does Darwin explain this? If you wish you may include a diagram.According to Darwin, is variation among individuals commonplace or rate within a population?What was the key idea contained in Malthus’s essay on populations that was to help Darwin formulate his theory of natural selection?
- What was Darwin’s theory of natural selection? What evidence since Darwin’s day confirms his theory?Why is variation so important in Darwin’s theory?According to Darwin, why do certain traits become more common in a population over time? (Hint- consider why dome-shaped tortoises are found in Isabella Island but not in Hood Island)