Natural Selection

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Across
  1. 3. better suited for environment survive and reproduce
  2. 4. similar at earliest development, different as grow
  3. 5. scientist who believed we chose our adaptations, predestined
  4. 8. collection of remains scientist use to better understand past
Down
  1. 1. similar structure, different function
  2. 2. organ had purpose and function in ancestors but no longer beneficial
  3. 6. structure or behavior that allows for survival
  4. 7. last name of person who developed theory of evolution by natural selection