Evolution

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Across
  1. 4. change in DNA sequence
  2. 6. isolation:a population is separated by distance
  3. 7. arganism survive
  4. 10. pool:is the set of all genes, or genetic information
  5. 11. Lucy was a __?
  6. 12. prehistoric organisms
  7. 15. Darwin created the theory o evolution
  8. 16. selection:one of the basic mechanisms of evolution
Down
  1. 1. isolation:Two species that breed at different times of the day
  2. 2. organs:have no functions
  3. 3. in the DNA sequence
  4. 5. drift: drift over time of gene frequencies
  5. 7. the natural process by which life arises from inorganic matter
  6. 8. tail:a tail of an animal that has adapted to be able to grasp or hold objects
  7. 9. a mamal that arose from an aniaml that live in trees
  8. 12. Survival of the ___?
  9. 13. isolation:Species-specific signals and elaborate behavioral patterns
  10. 14. walks on two legs