Variation

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Across
  1. 3. A characteristic that is passed from parent to offspring.
  2. 4. A feature that has different forms in a population
  3. 6. an important part of something, a characteristic
  4. 7. exactly the same
  5. 10. children
Down
  1. 1. a group of similar organisms that can breed and produce fertile offspring.
  2. 2. Differences between organisms caused by environmental factors.
  3. 5. any difference between individuals of the same species.
  4. 8. The scientific study of heredity
  5. 9. reproduce