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  1. The evolutionary history of bears is characterized by gene

  2. Bear - Wikipedia

  3. Bears, Species & DNA - University of Utah

  4. Bear Evolution - North American Bear Center

  5. Insights into bear evolution from a Pleistocene polar bear genome

  6. Phylogeny of the bears (Ursidae) based on nuclear and …

  7. Ch.26 HW Flashcards - Quizlet

  8. Evolutionary history of bears: It's complicated | ScienceDaily

  9. The Evolution of Bear Species - Paleontology World

  10. Chapter 1 - Systematics, Evolution, and Genetics of Bears