Evolution Vocab Crossword Puzzle

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Across
  1. 2. type of isolation occurring when organisms have different reproductive parts
  2. 5. process of selection conducted under human direction
  3. 9. disappearance of species of Earth
  4. 13. type of isolation occurring when organisms have different behaviors
  5. 14. describes that organisms are best adjusted to their environment are the most successful
  6. 16. Natural _______
  7. 19. type of structures that serve similar function but are structurally different
  8. 20. a sequence of DNA that codes for particular trait
Down
  1. 1. type of structures that no longer serves a function
  2. 3. change over time
  3. 4. genetic ______
  4. 6. type of structures that share common ancestor but serve different functions
  5. 7. describes how reproductively successful an organism is in its environment
  6. 8. biological evolution that occurs only by chance
  7. 10. the process by which new species is created
  8. 11. type of isolation occurring when organisms mate at different times
  9. 12. preserved remains of animals and plants
  10. 15. type of isolation occurring when organisms become physically isolated
  11. 17. type of isolation occurring when organisms are separated by environment
  12. 18. changes in DNA that cause genetic variations
  13. 19. a heritage trait that increases an individual’s fitness