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Across
  1. 2. selection process to produce offspring
  2. 3. being enlarged
  3. 5. the study of past events, particularly in human affairs
  4. 8. improve or develop
  5. 10. a change made
Down
  1. 1. a series of actions
  2. 4. metamorphosis during life cycle of an animal
  3. 6. the process of process of increasing in physical size
  4. 7. grow
  5. 9. make or become different