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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 63
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)

slide14

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
slide15

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
slide26

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”