and were geologists whose ideas strongly influenced Darwin’s James Hutton Charles Lyell thinking. What were the ideas each of them contributed? James Hutton Charles Lyell What is the importance of the principle of uniformitarianism? proposed a mechanism for how life changes over time. Explain the Jean-Baptiste de Lamarck two principles of his mechanism. use and disuse inheritance of acquired characteristics Although Lamarck’s mechanism of evolution does not explain the changes in species over time, his thinking has been influential. What is considered to be the great importance of his ideas? Concept 22.2 Descent with modification by natural selection explains the adaptations of organisms and the unity and diversity of life Charles Darwin proposed that the mechanism of evolution is and that it natural selection explains how arise. What are Give two examples of adaptations. adaptations adaptations? Explain the process of natural selection.
James Hutton and Charles Lyell were geologists whose ideas strongly influenced Darwin’s thinking. What were the ideas each of them contributed? James Hutton Charles Lyell What is the importance of the principle of uniformitarianism? Jean-Baptiste de Lamarck proposed a mechanism for how life changes over time. Explain the two principles of his mechanism. use and disuse inheritance of acquired characteristics Although Lamarck’s mechanism of evolution does not explain the changes in species over time, his thinking has been influential. What is considered to be the great importance of his ideas? Concept 22.2 Descent with modification by natural selection explains the adaptations of organisms and the unity and diversity of life Charles Darwin proposed that the mechanism of evolution is natural selection and that it explains how adaptations arise. What are adaptations? Give two examples of adaptations. Explain the process of natural selection.
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