evolution crossword (if 2 words, NO space)

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Across
  1. 3. used to show the actual age of fossils, helps to create a record of the history of life
  2. 4. These come from different ancestors, and have devolved to fit the environment, they show convergent evolution
  3. 8. This piece of evidence of evolution shows that all living things have common DNA, RNA and use ATP
  4. 10. Ideal that the organisms that are best adapted to the environment survive and reproduce the most
  5. 11. this occurs when 2 species evolve together and depend on eachother
  6. 12. have similar characteristics and can produce fertile offspring
Down
  1. 1. This type of selection leads to more of 1 extreme phenotypes
  2. 2. These come from the same answers and help to show divergent evolution
  3. 5. This is one mechanism for evolution
  4. 6. A piece of anatomical evidence for evolution, they once had a purpose, but no longer do
  5. 7. traveled the word researching and had the idea of the best fit organisms survive
  6. 9. Change in a species over time
  7. 13. Is the creation of a new species