Dok3

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Across
  1. 2. preserved remains
  2. 7. a system of ideas
  3. 9. group of species
  4. 10. a bacterium
  5. 14. involes measuring amounts of isotopes
  6. 17. change overtime
  7. 18. diagram
  8. 20. factor `that affects natural selection
  9. 22. first part of a scientific name
  10. 23. a taxonomic kingdom compromising all living and extinct animals
Down
  1. 1. study of fossils
  2. 3. second part of a scientific
  3. 4. character a trait
  4. 5. most likely to survive and reproduce
  5. 6. microorganism that are similar to bacteria in size and structure
  6. 8. radically different in molecular organization
  7. 11. age of fossils
  8. 12. trait that helps an organism survive
  9. 13. collections of fossils
  10. 15. the taxonomic kingdom compromising all living and extinct plants
  11. 16. study of how living and extinct
  12. 19. a taxonomic kingdom compromising all protist
  13. 21. a taxonomic kingdom compromising all fungus