Awesome science words DeAndre Devouse

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Across
  1. 2. time determines the actual time an event happens
  2. 5. breeding breeding only those with desirable traits
  3. 7. all organisms share the same genetic material
  4. 9. difference of the same species
  5. 10. the oldest layer of sedimentary rock
  6. 14. selection certain trait passed on to survive
  7. 16. kingdom multicellular eukaryote heterotrophic usually mobile
  8. 17. rock the type of rock fossils are found in
  9. 19. remains of organisms in the past
Down
  1. 1. the gradual change over time
  2. 3. structures renants of once useful structures
  3. 4. kingdom multicellular eukaryote autotrophic non-mobile
  4. 6. structures the similarities between human and animal skeletons
  5. 8. allows organisms to survive and reproduce
  6. 11. time determines the sequence of when an event happens
  7. 12. the second youngest layer of sedimentary rock
  8. 13. the third youngest layer of sedimentary rock
  9. 15. of superposition younger layer at the to older at the bottom
  10. 18. the youngest layer of sedimentary rock