unit 6 choice board

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Across
  1. 3. large population, no migration, no natural selection, no mutations, random mating.
  2. 6. isolation of a population due to differences in communication, mating rituals, etc.
  3. 8. collection of all the alleles present in a population.
  4. 9. migrations of individuals out of a population.
  5. 12. a change in allele frequency following a dramatic reduction in the size of a population.
  6. 13. random change in allele frequencies that occurs in small populations.
  7. 14. of a population due to differences in timing of mating.
  8. 17. percent of an individual of a population that have a particular trait.
  9. 18. organisms impersonate other organisms to increase fitness.
  10. 21. individual with the average phenotype have an advantage.
  11. 22. necessary or desired commodity in an ecosystem.
  12. 24. individuals with one extreme phenotype have an advantage and the other is selected against.
Down
  1. 1. selection within a population due to human inference and selection to desired traits.
  2. 2. homozygous dom and all heterozygous and all homozygous rec represent all individuals in a population.
  3. 4. any characteristic that increases the fitness of an individual.
  4. 5. when a small part of a population is separated from the rest and colonizes a new area.
  5. 7. form of reproductive isolation in which two populations are separated physically by geographic barriers such as rivers, mountains, or stretches of water.
  6. 10. refers to the differences among individuals in a population.
  7. 11. individuals at either extreme or the bell curve achieve higher fitness and the average selected against.
  8. 15. movement of individuals into a population.
  9. 16. 1 dom and all rec represent all alleles in a population.
  10. 19. movement of alleles into or out of a population due to the migration of individuals to or from the population.
  11. 20. measurement of the ability of an individual to survive and reproduce successful offspring.
  12. 23. individual best suited to their environment achieve higher fitness.