Natural and Artificial Selection

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Across
  1. 7. Created or modified by humans, not occurring naturally.
  2. 8. Occurring without a predictable pattern or plan.
  3. 9. A characteristic or feature of an organism, often determined by genes.
  4. 11. Units of heredity passed from parents to offspring.
  5. 14. A molecule coded by genes, essential for traits and functions in living organisms.
  6. 15. Occurring without human intervention.
  7. 16. The process of mating animals to produce offspring with desired traits.
Down
  1. 1. A change in the genetic material of an organism.
  2. 2. Differences in traits among individuals of a species.
  3. 3. A group of individuals of the same species living in the same area.
  4. 4. The external conditions that influence an organism’s traits.
  5. 5. Traits that enhance survival and reproduction in an environment.
  6. 6. The arrangement or spread of a population in an area.
  7. 10. The application of science and technology to solve problems, including genetic manipulation.
  8. 12. Choosing individuals with desired traits to reproduce.
  9. 13. A single step in the line of descent from an ancestor.