BIOLOGY

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Across
  1. 2. ______ drift, random cahnges in alleles
  2. 5. type of isolation, physical barrier
  3. 7. population has rapid reduction in ind. in population
  4. 9. selection with average phenotype favored
  5. 10. type of selection, ind. with one extreme phenotype
  6. 13. selection, average is selected against each extreme
  7. 14. organaisms imperonsate other organisms to increase fitness
  8. 15. type of isolation, different mating times
  9. 17. small part of popultion, colonizes new area
  10. 18. p-squared+2pq+q-squared represents all _______
Down
  1. 1. type of isolation, diff. in mating
  2. 3. movement in genes between 2 neighboring populations
  3. 4. characteristic, increase in fitness of ind.
  4. 6. group of species live in same area
  5. 8. p+q=1 represent all _______
  6. 11. migration of new ind. into population
  7. 12. how many factors are needed for Hardy Weinburg Equilibrum
  8. 16. migration of ind. out of population