Evolution of Populations

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Across
  1. 5. the islands where much of Darwins discoveries occurred
  2. 7. _________principal: an equation that allows us to check evolutions predictions
  3. 10. __________ isolation: members of two populations cannot interbreed and produce fertile offspring
  4. 11. __________isolation: two or more species reproduce at different times
  5. 12. random change in allele frequency in small populations
  6. 14. all of the genes present in a population
  7. 15. allele frequency changes when a small group colonizes a new habitat
  8. 16. the formation of a new species
Down
  1. 1. _________ selection: individuals near the center of the curve have the highest fitness
  2. 2. _________trait: widows peak is an example of this characteristic
  3. 3. __________ frequency: the number of times an allele appears in a population
  4. 4. ____________isolation: two populations could interbreed but have differences in courtship rituals or other reproductive stratagies that involve behavior
  5. 6. ____________isolation: populations are separated by barriers like rivers or mountains
  6. 8. _________ selection: individuals at one end of the curve have higher fitness than individuals at the middle or the other end of the curve
  7. 9. __________trait: can have many possible genotypes and phenotypes
  8. 13. __________ selection: individuals at the ends of the curve have higher fitness than individuals near the middle
  9. 14. Peter and Rosemary ______: demonstrated natural selection is still a force in the evolution of the Galapagos finches