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Exploration Questions: Darwin and evolution by natural selection

1. What are endemic species? Why did Darwin focus on endemic species?
2. What were the three patterns that Charles Darwin observed on his voyage that led him to accept and form his ideas of evolution?
Darwin's task was to make scientific observations. Two-thirds of his time was spent on dry land, largely in the wilderness in Brazil, Argentina, and Chile, and in remote areas such as the Galápagos Islands. © AMNH

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