Evolution Crossword

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Across
  1. 3. how well an organism can live
  2. 4. traits passed down from parents
  3. 5. Scientists who studies fossils
  4. 6. Large Scale evolution occurring over time resulting in new species
  5. 10. all the fossils been collected
  6. 12. structure reduced in size and has little or no function
  7. 13. technique used to find out which two fossils is older based on the layer of rock
  8. 15. all of the genes in a population
Down
  1. 1. idea that over time older species turned into new ones
  2. 2. Changes in traits that do not result in a new species
  3. 7. preserved remains of older species
  4. 8. Last universal common ancestor
  5. 9. a physical or behavioral characteristic of an organism
  6. 11. group of organisms that can mate with each other
  7. 14. set of information that controls a trait