Natural Selections

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Across
  1. 2. Change in allele frequency over time
  2. 4. All the genes and their alleles in a population
  3. 5. When evolution makes a new species
  4. 9. Change in allele frequency of a species
  5. 10. Ability to survive and have offspring
  6. 12. Organisms do not pick a mate based on traits
Down
  1. 1. Changes in allele frequency of a population
  2. 3. A trait that allows an organism to better survive in an environment
  3. 4. Movement of genes into or out of populations
  4. 6. The organisms with traits that allow them to survive will survive and have offspring
  5. 7. Organisms that can mate and have fertile offspring
  6. 8. Differences or changes
  7. 11. Random changes in the allele frequency