Evidence for Evolution

• What is evolution?

  A change in a species over time
• What is one piece of evidence for evolution?

  Fossils
• What do fossils show us?

  How animals looked in the past and how they changed
• Which scientist is famous for explaining evolution by natural selection?

  Charles Darwin
• What is meant by “natural selection”?

  The best adapted organisms survive and reproduce
• What is the definition of evolution?

  • A change in a species over time
• What are some types of evidence that support evolution?

  • Fossils
  • Genetic similarities
  • Comparative anatomy
• How do fossils help prove evolution?

  • Show past appearances of organisms
  • Indicate changes over time
• Who developed the theory of natural selection?

  • Charles Darwin
• What does “survival of the fittest” mean?

  • The best adapted organisms survive
  • They reproduce and pass on traits