Common Ancestry & Evolution

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Across
  1. 4. gradual change in a species over time
  2. 6. highly desired; provides an advantage
  3. 10. things in an environment that can change something about an organism
  4. 12. characteristics that an organism can pass onto it's offsprings
  5. 13. hypothesis that has been tested with a significant amount of data
  6. 14. the structure or part of an object or organism
Down
  1. 1. features that has different forms in a population
  2. 2. individuals who have inherited certain
  3. 3. different variety;having many different types or forms
  4. 5. a group of similar organisms that can breed and produce fertile offsprings
  5. 7. escribe a species that no longer exists
  6. 8. inherited trait that increases an organism's chance for survival
  7. 9. to develop gradually
  8. 11. any difference between individuals of the same species