Chapter 16

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Across
  1. 1. species concept A species is a population of organisms that can successfully interbred but cannot breed with other groups
  2. 3. The movement of individuals out of a population
  3. 5. equilibrium A change occurred in a few thousand, rather than a few million years
  4. 6. drift The phenomenon by which allele frequencies in a population change as a result of random events or chance
  5. 8. genetics The study of evolution from a genetic point of view
  6. 9. pool The total genetic information available in a population
Down
  1. 2. The movement of individuals into a population
  2. 4. Process of species formation
  3. 7. The internal and external structure and appearance of an organism