Natural selection

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Across
  1. 3. The process where organisms that are better adapted survive. ............. selection
  2. 5. Natural selection leads to the process of ...............
  3. 7. Changes in the DNA of an organism
  4. 9. to produce offspring
Down
  1. 1. Differences in the characteristics of a species
  2. 2. Offspring ............ genes from their parents
  3. 4. Organisms that are better ......... to their environment survive
  4. 6. Organisms that are better adapted will ........
  5. 8. A group of organisms that can breed and produce fertile offspring