AP Biology Crossword Puzzle Unit #7

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Across
  1. 1. Scientist associated with natural selection
  2. 3. Random change in allele frequencies
  3. 6. Movement of alleles between populations
  4. 8. Diagram showing evolutionary relationships
  5. 10. Evolutionary principle stating allele frequencies stay constant under certain conditions
  6. 11. Population isolated by a physical barrier
  7. 13. Formation of new species
  8. 15. Change in a population over time
Down
  1. 2. Trait that improves survival or reproduction
  2. 4. Process by which organisms with favorable traits leave more offspring
  3. 5. Ability to survive and reproduce successfully
  4. 7. Evolutionary pattern where unrelated species become similar
  5. 9. Structures with similar function but different ancestry
  6. 12. Random source of new genetic variation
  7. 14. Structures with similar anatomy due to shared ancestry