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Life Over Time - chapter 6

Life Over Time - chapter 6. Life Over Time - chapter 6. Life Over Time - chapter 6. Life Over Time - chapter 6. B. More complex organisms developed over time. 1. Unicellular organisms (3.8 billion years ago) 2. Multicellular organisms (1.2 billion years ago)

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Life Over Time - chapter 6

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  1. Life Over Time - chapter 6

  2. Life Over Time - chapter 6

  3. Life Over Time - chapter 6

  4. Life Over Time - chapter 6 B. More complex organisms developed over time. 1. Unicellular organisms (3.8 billion years ago) 2. Multicellular organisms (1.2 billion years ago) 3. Life on land (0.5 billion years ago)

  5. Life Over Time - chapter 6

  6. Life Over Time - chapter 6

  7. Life Over Time - chapter 6

  8. Life Over Time - chapter 6

  9. Lamarck • inhertiance of ACQUIRED traits • - first theories on evolution • - environment changes animals and then can • pass traits to offspring • Darwin • theory of natural selection • - OVAS • - “survival of the fittest” to live and reproduce

  10. Lamarck • inhertiance of ACQUIRED traits • - first theories on evolution • - environment changes animals and then can • pass traits to offspring • WRONG - scenario A • Darwin • theory of natural selection • - OVAS • - “survival of the fittest” to live and reproduce • CORRECT - scenario B

  11. Life Over Time - chapter 6

  12. Life Over Time - chapter 6

  13. Life Over Time - chapter 6

  14. Life Over Time - chapter 6

  15. Quiz Topics - chapter 6: Evolution • - Vocabulary • Darwin and Lamarck’s theories on evolution • OVAS textbook (p. 183) • theory of natural selection (Darwin) • 3 types of evidence to support evolution • - learnings from ”Virtual Fossil Hunt”

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