Evolution/Natural Selection

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Across
  1. 1. movement of genetic material through organisms
  2. 8. theory that eukaryotic cells came from prokaryotic cells
  3. 11. chemical that kills pests
  4. 14. things that separate a group; water, mountains, etc
  5. 15. struggle for survival
  6. 17. structures that are no longer used
  7. 20. changes of a group/organism over time
  8. 21. timeline of fossils
  9. 22. antibodies are passed to you; breast feeding
  10. 23. characteristics that allow an organism to thrive
  11. 24. all organisms are related by a ______
  12. 25. structures that look similar but have different functions
Down
  1. 2. factors that prevent a specific number of a species: water, food, resources
  2. 3. variety of living things
  3. 4. bacteria not affected by antibodies
  4. 5. your body produces antibodies
  5. 6. organisms with helpful traits survive
  6. 7. medicine that fights viral infections
  7. 9. a species is separated by its group due to a barrier
  8. 10. medicine that kills bacteria
  9. 12. study of embryos to show how organisms are related
  10. 13. proteins that fight pathogens
  11. 16. chemical that kills insects
  12. 18. creation of a new species
  13. 19. using anatomy to show how organisms are related