Natural Selection

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Across
  1. 4. ariation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.
  2. 6. the most fit person will be the one to survive
  3. 8. is the differential survival and reproduction of individuals due to differences in phenotype.
  4. 10. the state or process of a species, family, or larger group being or becoming extinct.
Down
  1. 1. we have to do this to survive
  2. 2. what is another word for artificial selection
  3. 3. the action or process of mutating
  4. 5. a remain of an animal
  5. 7. the theory of the evolution of species by natural selection advanced by Charles Darwin.
  6. 9. the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.