Natural Selection

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Across
  1. 1. DNA segment that determines traits
  2. 3. Father of evolution
  3. 6. Difference
  4. 7. Inherited feature
  5. 9. Group of organism capable of interbreeding
Down
  1. 2. Dinosaurs
  2. 4. Adjust to new conditions
  3. 5. Bird studied by Darwin
  4. 8. Dominant or recessive