natural selection

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Across
  1. 3. Material - The DNA that is passed from parents to offspring.
  2. 6. - A trait that helps an organism survive in its environment.
  3. 9. - The slow change of species over time.
  4. 10. of the Fittest - Organisms that are best adapted to their environment are more likely to survive.
  5. 11. - A change in DNA that creates new traits.
  6. 12. - Remains of ancient organisms found in rocks.
  7. 13. - When organisms of the same species mate and produce offspring.
Down
  1. 1. - A group of organisms that can breed together.
  2. 2. - The process of creating offspring.
  3. 4. - How well an organism can survive and reproduce.
  4. 5. Selection - When better-adapted organisms survive and reproduce more.
  5. 7. - The variety of different species in an area.
  6. 8. - Passing traits from parents to offspring.