Science Natural Selection

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Across
  1. 3. reproduce at a better rate because they are better suited for their environment
  2. 4. all of the features that an organism inherits
  3. 7. change in the genetics of a species over time
  4. 8. only when two of them are present
  5. 9. part of the DNA code on a chromosome
  6. 10. process in which DNA changes
  7. 13. the environment's effect on genetic makeup
  8. 14. often seen in each generation
  9. 15. the production of many species from one ancestral species
Down
  1. 1. when the last of a species dies
  2. 2. inherited trait that makes us different than others of the same species
  3. 5. the different forms of a gene
  4. 6. helps make genetic predictions
  5. 11. study of heredity
  6. 12. genes that an organism has, its genetic makeup