Natural Selection Crossword Puzzle

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Across
  1. 2. – A trait that increases an organism’s chance of survival
  2. 4. – The gradual change of species over time
  3. 8. – The variety of life in an area
  4. 9. – How well an organism can survive and reproduce in its environment
  5. 14. – Islands where Darwin made important observations about species
  6. 17. – The name of a species who evolved due to increased pollutants in the atmosphere
  7. 19. – A trait that helps an organism survive in its environment
  8. 21. – The name of the best documentary creator of all time
  9. 22. – A group of the same species living in one area
  10. 25. – The idea that organisms best adapted survive and reproduce
  11. 27. – A change in an organism’s DNA
Down
  1. 1. – The age a something is depending on where it is located within the ground
  2. 3. – Preserved remains or traces of a once-living organism
  3. 5. – A trait that can be passed from parent to offspring
  4. 6. – Any organism an offspring is directly descended from
  5. 7. – All the preserved remains and traces of organisms from the past
  6. 10. – Birds studied by Darwin that have different beak shapes
  7. 11. – A group of organisms that can reproduce and have fertile offspring
  8. 12. – The role or job an organism has in its environment
  9. 13. – To change over time
  10. 15. – The formation of a new species
  11. 16. – Differences in traits among individuals in a population
  12. 18. – A complete disappearance of a species from earth
  13. 20. – Scientist who developed the theory of natural selection
  14. 23. – A characteristic or feature of an organism
  15. 24. – The process where organisms with helpful traits are more likely to survive and reproduce
  16. 26. – To receive traits from parents