Evolution and Natural Selection

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Across
  1. 8. term that describes what happens to a species that has no longer any known living individuals.
  2. 9. process by which two species evolve in response to changes in each other
  3. 12. Breeding organisms with specific traits in order to produce offspring with identical traits
  4. 13. The genetic change in a species over time
  5. 14. A trait that helps and organism survive and reproduce
  6. 15. A trace of an ancient organism that has been preserved
  7. 16. Formation of a new species
  8. 17. A group of similar organisms that can produce offspring
  9. 18. number of times that an allele occurs in a gene pool compared to the number of alleles in the gene pool
  10. 19. A group of individuals that belong to the same species and live in the same area
Down
  1. 1. when two or more species share a common ancestor and become more different over time
  2. 2. Any differences between individuals of the same species
  3. 3. a change in the allele frequency of a population as a result of change events instead of natural selection
  4. 4. when two unrelated organisms start to evolve similar traits because they live in similar environments
  5. 5. Structures in different species that are similar because of common ancestry
  6. 6. movement of alleles from one population to another
  7. 7. Combined genetic information of all the members of a particular population
  8. 10. A process in which individuals that have a certain inherited traits survive and reproduce at higher rates
  9. 11. Remnant of a structure that may have had an important function in a species ancestor but has no clear function now