Natural Selection

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Across
  1. 6. Producing more than is needed
  2. 7. Executing acts of exercise
  3. 9. living factor
  4. 11. evolution mechanism
  5. 15. An area classified for a species
  6. 16. Group of organisms that can be bred to create the same type of offspring
  7. 17. Humans selectively breed desired traits.
Down
  1. 1. Producing more than is needed
  2. 2. New species emerging from preexisting ones
  3. 3. quality of an organism
  4. 4. The process of a species being fitted to their environment
  5. 5. Humans breeding desirable traits; artificial selection
  6. 7. survival of the _______
  7. 8. Traits that promote the environment of the species
  8. 10. Mating two different species
  9. 12. All the living things born around the same time
  10. 13. non living factor
  11. 14. The activity or condition of completion