Natural Selection Cross Word

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Across
  1. 3. Reproduction
  2. 7. Difference in conditions
  3. 10. Weak gene
  4. 13. Different traits
  5. 16. People have different ones
  6. 17. Animals who prey on each other
  7. 18. study of organizations
Down
  1. 1. relation of biology
  2. 2. Genes change
  3. 4. Stronger gene
  4. 5. Things organisms use
  5. 6. different gene type
  6. 8. creating favorable circumstances
  7. 9. reproduction of cells
  8. 11. Peoples time period
  9. 12. Get them from Parents
  10. 14. Discovered natural selection
  11. 15. From parent to off spring
  12. 18. Change in a gene