Natural Selection

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Across
  1. 1. the dynamic evolutionary process that fits organisms to their environment
  2. 4. selection only allows the selected traits to be passed through successive generations
  3. 5. an interaction between organisms or species in which both are harmed
  4. 10. type of reproduction that involves two individuals
  5. 11. the passing of traits
  6. 12. the act or fact of living or continuing longer than another person or thing
  7. 13. drift the change in the frequency of an existing gene variant in a population
  8. 14. Darwin best known for his contributions to the science of evolution
  9. 15. product of reproduction, produced by one or more parents.
  10. 17. provides living things with everything that is necessary to survive
  11. 18. how a new kind of plant or animal species is created
  12. 20. difference in characteristics among the individuals of the same species
Down
  1. 2. a specific characteristic of an organism
  2. 3. change in the heritable characteristics of biological populations over generations
  3. 6. means that each generation has more offspring than can be supported by the environment
  4. 7. selection process whereby organisms better adapted to their environment tend to survive and produce more
  5. 8. a random change to genetic material
  6. 9. biological process by which new individual organisms are produced
  7. 16. occurs when species are diminished because of environmental forces
  8. 19. type of reproduction that does not involve the fusion of gametes