Evolution Final Crossword

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Across
  1. 1. selection that results in 2 traits
  2. 3. used to show relationships between species
  3. 5. shows traits of 2 different species
  4. 6. event where 2 species form
  5. 8. a survival mutation in bacteria
  6. 12. event where over 1/2 species die
  7. 13. selection that results in new trait
  8. 14. drug that kills bacteria
  9. 15. survival of the fittest
  10. 16. ability to reproduce and pass genes on
  11. 17. using isotopes to date fossils
  12. 18. similar anatomy in different species
  13. 19. organisms who can reproduce fertile offspring
Down
  1. 2. selection that increases trait
  2. 4. time for 1/2 the amt of isotope to decay
  3. 7. humans control breeding
  4. 9. a survival mutation in insects
  5. 10. change in allele frequency in a population/time
  6. 11. parent ___ turn into daughter __ as these decay