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Chapter 15 Section 2 Ideas that shaped Darwin’s Thinking

Chapter 15 Section 2 Ideas that shaped Darwin’s Thinking. Biology. Objectives. List the 3 scientists that influenced Darwin’s theory. Lyell. Lyell’s work explained how geological features could be built up or torn down over long periods of time . Darwin wondered:

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Chapter 15 Section 2 Ideas that shaped Darwin’s Thinking

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  1. Chapter 15 Section 2Ideas that shaped Darwin’s Thinking Biology

  2. Objectives • List the 3 scientists that influenced Darwin’s theory.

  3. Lyell • Lyell’s work explained how geological features could be built up or torn down over long periods of time. • Darwin wondered: • If the Earth could change over time, life might change as well.

  4. Lamarck's Evolution Hypotheses • living things have changed over time. • all species were descended from other species. • organisms were adapted to their environments.

  5. Lamarck’s was incorrect in several ways. • Lamarck did not know: • how traits are inherited. • that an organism’s behavior has no effect on its heritable characteristics.

  6. Malthus • Malthus reasoned that if the human population continued to grow unchecked, sooner or later there would be insufficient living space and food for everyone. • Darwin applied this to plants and animals as well: • If all the offspring of almost any species survived for several generations, they would overrun the world.

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