Survival of the fittest

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Across
  1. 8. The appearance of an organism
  2. 9. The process or action of being adapted
  3. 10. To have some organisms survive better than other organisms in the environment
  4. 11. Developed the famous theory called “Theory of Evolution”
Down
  1. 1. Change over time
  2. 2. Organisms that are best suited to adapt to their environment and survive victoriously reproduce
  3. 3. The change of actions of an organism
  4. 4. The genes that get passed down from out biological parents
  5. 5. The change of DNA in a organism
  6. 6. Organisms that can adapt better to their environment
  7. 7. The study of genes