Bio vocab chapter 17

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Across
  1. 3. Change of characteristics over time.
  2. 6. a tested explanation that unifies a broad range of observations.
  3. 9. How well an organism adapts to its environment.
  4. 10. The action of humans selecting what animals/plants should breed for a specific trait.
  5. 11. Structures that are similar in different species of common ancestors.
  6. 13. Body parts that share a common function, but not structure.
  7. 14. Study of past and present distribution of organisms.
  8. 15. heritable characteristics that increases an organism's ability to survive an organism ability to survive.
Down
  1. 1. Process by which unrelated organisms independently evolve similarities when adapting to similar environments.
  2. 2. An area where an organisms live.
  3. 4. Structure that is inherited from ancestors but which has lost much or all of its original function.
  4. 5. Process by which organisms that are most suited to their environment reproduce.
  5. 7. Change in genetic material of a cell.
  6. 8. A group of similar organisms that can bred and produce fertile offspring.
  7. 12. Preserved remains of an organism.