Convergent Evolution

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Across
  1. 4. Body parts used for movement or support
  2. 5. Things meeting at a point
  3. 6. Guess without firm evidence
  4. 9. Use of science in industry
  5. 11. Balanced arrangement of parts
  6. 13. Variety or differences
  7. 16. Gradually develop over time
  8. 18. Adjusting to new conditions
  9. 21. Giving human traits to non-humans
Down
  1. 1. Element key to organic life
  2. 2. Plants making food from sunlight
  3. 3. Related to gradual development over time
  4. 7. Originating from beyond Earth
  5. 8. Proposed explanation for further investigation
  6. 10. Surroundings where living things exist
  7. 12. Following standards or rules
  8. 13. Things moving apart or changing
  9. 14. Scientist studying life beyond Earth
  10. 15. Selection Survival of certain traits over time
  11. 17. Seeming reasonable or likely
  12. 19. Factor that can change
  13. 20. Study of organisms' structures