bio unit 6

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Across
  1. 10. phenomenon where one organism closely resembles another as an an
  2. 11. when the average of an allele is selected
  3. 13. movement of individuals to new places
  4. 14. when 2 organisms cannot breed due to behavioral differences
  5. 15. alleles moving in and out of a population
  6. 16. the amount of an allele present in a population
  7. 17. differences in alleles amongst postabilizing
  8. 18. more fit organisms thrive and reproduce, less fit organisms do not
  9. 19. available alleles in the population
  10. 20. when one extreme for an allele is preferred
Down
  1. 1. when 2 organism cannot breed due to physical barriers such as rivers or mountains
  2. 2. when 2 organisms cannot breed due to a time related barrier
  3. 3. when a new population is started breaking off from another, making a new population with less genetic variation
  4. 4. when an unpredictable event affects genetic variation
  5. 5. how capable an organism is of producing fertile offspring
  6. 6. when the numbers of a population are decreased by a lot resulting in loss of genetic variation
  7. 7. the number of organisms in an area
  8. 8. trait that increases the fitness of an organism
  9. 9. when 2 extremes for an allele are selected
  10. 12. factor in the environment required for survival