Evolutionary History

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Across
  1. 3. evidence of life from the past
  2. 4. structure part of an organism (bones)
  3. 6. having died out completely on Earth
  4. 8. when something stays mostly the same over time
  5. 9. a group of individuals born around same time
  6. 11. a related organism from previous generation
  7. 13. increases chances organism will survive
  8. 14. scientist who studies fossils
  9. 16. graph that uses bars to show distribution
Down
  1. 1. adaptation that occurs over a long time
  2. 2. to classify based on scientific examination
  3. 5. a random change to a gene
  4. 7. an organism's arm leg or wing
  5. 10. a specific characteristic of an individual organism
  6. 12. group of same kind of organisms
  7. 15. to receive genes from a parent