Crossword Puzzle Evolution

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Across
  1. 2. __________ organs that have become functionless through evolution
  2. 6. Similarities in _______ and protein sequences suggest relatedness
  3. 7. The total variety of all the organisms in the biosphere
  4. 8. Any inherited characteristic that increases an organism’s chance of survival
  5. 10. _________ is the ability of an individual to survive and reproduce in its environment
Down
  1. 1. Found evidence for evolution on the Galapagos Islands
  2. 3. _________ traits can not be passed on to their offspring
  3. 4. provided evidence for evolution because of how the continents shifted and moved
  4. 5. change over time, how the process by which modern organisms have descended from ancient organisms
  5. 9. Humans select traits to provide wanted variation in organisms