Evolution

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Across
  1. 5. something that is inherited
  2. 6. group of individuals of the same species living in the same area
  3. 7. selection form of natural selection in which genetic diversity decreases
  4. 8. selection process by which individuals that are better suited to their environment survive and reproduce most successfully
  5. 10. selection form of natural selection in which the entire species changes over time
  6. 13. formation of a new species
  7. 15. a trait that has been co-opted for a use other than use it was created for
  8. 17. structure an organ or bone that appears in animals that demonstrates descent from a common ancestor
  9. 18. ability of an organism to survive and reproduce in its environment
  10. 19. inherited from an ancestor
Down
  1. 1. descent principle that all living things were derived from common ancestors
  2. 2. change in DNA sequence that affects genetic information
  3. 3. rearrangement of genetic materials especially by crossing over in chromosomes
  4. 4. single
  5. 9. preserved remains of an ancient organism
  6. 11. disappearance of a species from the world
  7. 12. inherited characteristic that increases an organism's ability to live
  8. 14. structure various structures in different species having the same appearance, structure or function but have evolved separately and do not have a common ancestor
  9. 16. selection form of natural selection in which a single species splits in two