Chapter 16 Evolution

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Across
  1. 3. structures that develop from the same embryonic tissues but have different mature forms
  2. 4. inherited characteristic that increases an organism's chance of survival
  3. 5. scientist that was working on research similar to Darwin
  4. 7. scientist who proposed gradualism
  5. 9. scientist whose ideas about evolution and adaptation influenced Darwin
  6. 12. remains of ancient life
  7. 15. structure with little or no function
  8. 16. economist whose ideas about human population influenced Darwin
Down
  1. 1. type of selection Darwin referred to as survival of the fittest
  2. 2. the study of where organisms live now and where they and their ancestors lived in the past
  3. 6. type of selection in which humans select the variations
  4. 8. change over time
  5. 10. body parts that share a common function but not structure
  6. 11. ability of an individual to survive and reproduce in a specific environment
  7. 13. scientist who proposed uniformitarianism
  8. 14. islands where Darwin observed variation in tortoises