Kayla chapter.16/17

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Across
  1. 5. inherited from ancestors but have lost much or all of their original function
  2. 7. the test by raising and breeding plants and animals
  3. 8. the process of change over time
  4. 10. many traits are controlled by two or more genes
  5. 11. consists of all the genes
  6. 12. the process by which organisms with variations most suited to their local environment survive and leave more offspring
  7. 13. structures that are shared by related species and that have been inherited from a common ancestor
  8. 15. preserved remains or traces of ancient organisms
Down
  1. 1. study of where organisms live now and where they lived and their ancestors
  2. 2. individuals at one end of the curve have higher fitness then individuals in the middle or at the other end
  3. 3. the number of times an allele
  4. 4. heritable characteristic that increases an organism's ability to survive and reproduce in its environment
  5. 6. a trait controlled by only one gene
  6. 9. body parts that share common function but not structure
  7. 14. describes how well an organism can survive and reproduce in its environment