Topic 3

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Across
  1. 3. This can affect each organisms evolution
  2. 7. This determines how a cell acts
  3. 10. Changes in genetic material
  4. 11. How well it can survive
  5. 13. When offspring have descríbale traits that help them survive
  6. 15. This increases gene variation
  7. 16. He was naturalist
  8. 19. The preserved remains of an organisms
  9. 20. The alleles are lost to a population
  10. 21. Where did Charles Darwin travel to
  11. 22. Organism have a higher survival rate
  12. 23. The struggle among living things for things
  13. 24. Species produce too many offspring
Down
  1. 1. an inherited behaviors or physical characteristic
  2. 2. An example of adaptions with birds
  3. 4. The males compete for this
  4. 5. Another scientist that studied evolution
  5. 6. is a well tested explanation for a wide range of observations
  6. 8. Members of the populations differ
  7. 9. Organisms have a lower survival rate
  8. 12. The Natural Process by which something takes place
  9. 14. This is the process by which two species evolve in response to changes in each other over time
  10. 17. Only individuals with desired traits are bred
  11. 18. The process by which modern organisms have descended from ancient organisms