Unit 6 choice board

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Across
  1. 2. When a small part of a population is separated from the rest and colonizes a new area
  2. 3. Random changes in allele frequencies attributed to luck, not fitness
  3. 4. Isolation of a population due to differences in communication, mating, or other behaviors
  4. 5. Percent of individuals of a population that have a particular trait
  5. 7. Group of individuals of the same species that live in the same area at the same times and can interbreed
  6. 8. When a population experiences a rapid, drastic reduction in the number of individuals in the population
  7. 9. Migration of individuals out of a population
  8. 11. Describes the movement of genes/alleles/individuals between 2 neighboring populations
  9. 12. Migration of new individuals into a population
  10. 14. Type of natural selection in which individuals at either extreme of the bell curve achieve higher fitness and the average is selected against
  11. 16. Refers to the differences among individuals in a population
  12. 18. Any characteristic that increases the fitness of an individual
  13. 19. A necessary or desired commodity in an ecosystem
Down
  1. 1. The idea that those individuals best suited to their environment will achieve higher fitness
  2. 3. isolation of a population due to physical barriers such as a fence, mountain range, or body of water
  3. 6. Isolation of a population due to differences in the timing of mating
  4. 10. Type of natural selection in which individuals with the average phenotype have an advantage and the extremes are selected against
  5. 13. Type of natural selection in which individuals with one extreme phenotype have an advantage and the other is selected against
  6. 15. When organisms will impersonate other organisms to increase fitness
  7. 17. Measurement of the ability of an individual to survive and reproduce successful offspring