Year 10 Evolution

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Across
  1. 4. Fake.
  2. 5. Living.
  3. 10. When related individuals mate.
  4. 12. A necessary step in speciation.
  5. 14. Common to all living organisms.
  6. 17. The continent humans first originated on.
  7. 18. A person who digs up fossils.
  8. 20. Used to kill bacteria.
  9. 21. A response to widespread use of antibiotics.
  10. 24. The father of evolutionary theory.
  11. 25. Not artificial.
  12. 26. Example of sexual selection.
  13. 27. The man who first suggested the theory of continental drift.
  14. 28. A necessary step in speciation.
  15. 29. An organism affected by industrial pollution.
  16. 30. The element used to date fossils up to 60,000 years old.
Down
  1. 1. Where one species splits.
  2. 2. Used as evidence to support the model of human evolution (13,3).
  3. 3. Change in gene structure.
  4. 4. Non-living.
  5. 6. 'dug up'.
  6. 7. A necessary step in speciation.
  7. 8. Mode of reproduction in bacteria (6,7).
  8. 9. The order humans belong to.
  9. 11. The islands where Darwin found his finches.
  10. 13. Antibiotics were developed from this type of organism.
  11. 15. An important transitional fossil.
  12. 16. Same basic structure.
  13. 19. Occurs over a very long time.
  14. 20. Arrangements of these can help determine if organisms are the same species (5,5).
  15. 22. Similar structures with different genes.
  16. 23. The study of embryo development.