Comparing a blend of historic and modern bear DNA samples gathered from far-flung sites throughout North America gave science insights into how the animals colonized the continent, and how they adapted to different environments.
(a blend of historic and modern bear DNA samples; gathered; from far-flung sites throughout North America) (Comparing a blend of historic and modern bear DNA samples; gave; science insights into how the animals colonized the continent) (the animals; colonized; the continent) (they; adapted; to different environments)
a blend of historic and modern bear DNA samples Comparing a blend of historic and modern bear DNA samples the animals they
gathered gave colonized adapted
from far-flung sites throughout North America
science insights into how the animals colonized the continent
the continent
to different environments