The Theory of Evolution

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Across
  1. 4. Small structures with little or no function
  2. 5. Ability of an individual to survive and reproduce in a specific environment
  3. 6. The economist who reasoned that if human population grew unchecked, there wouldn’t be enough resources for everyone
  4. 9. Body parts that share the same function but not the same structure
  5. 10. The geologist who talked about "uniformitarianism"
  6. 12. Preserved remains of an ancient organism
  7. 13. Inherited characteristic that increases an organism’s chance of survival
  8. 14. The study of where organisms now live and where their ancestors lived in the past
  9. 15. The process by which organisms with variations most suited to their environment survive and leave more offspring than others
Down
  1. 1. Change over time
  2. 2. Selection in which nature determines the variety of traits, but humans pick which traits are desirable
  3. 3. developed the theory of evolution that includes natural selection
  4. 7. Structures that develop from the same embryonic tissues but have different mature forms
  5. 8. The geologist who introduced the concept of deep time
  6. 11. The naturalist who suggested that species could pass acquired traits to their offspring
  7. 14. The ship on which Darwin had his epic journey