natural selection

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Across
  1. 2. something to make an effect
  2. 4. a group of the same thing
  3. 6. a big module that give you traits
  4. 8. family form another generation
  5. 10. an animal that kills other animals
  6. 12. all things that are alive
  7. 14. something that affect the chance of living
  8. 16. to not die
  9. 17. a difference in characteristics
  10. 20. can affect the change of living in a environment
  11. 21. people living in about the same time
  12. 23. the poplution of
  13. 25. when traits of a population change over time
  14. 28. a chart that uses bars to show data.
  15. 29. hiding because you the the same as surroundings
  16. 30. that amount of things in an area
Down
  1. 1. an animal that others animals hunt
  2. 3. a characteristic one can develop
  3. 5. a mix up on genes that can cause a new characteristic
  4. 7. a feature that something has
  5. 9. DNA that has genes
  6. 11. a certain gene for special protein
  7. 13. a trait you can get from parents
  8. 15. an educated guess on what will happen
  9. 18. what genes and chromosomes are made of
  10. 19. a trait that a type of animal has
  11. 22. a instruction for making protein
  12. 24. a young that looks like the adult
  13. 26. the nature of somewhere
  14. 27. happen because of a cause