The army cutworm moth is a critical source of fat for many
of Yellowstone National Park's grizzly bears; they overturn
rocks to find them and consuming as many as 40,000 apiece
in a single day.
A. bears; they overturn rocks to find them and consuming
as many as.
B. bears; overturning rocks to find the insects, consuming
up to
C. bears, overturning rocks to find them and they consume
as many as.
D. bears, and they overturn rocks to find them and consume
up to
E. bears, which overturn rocks to find the insects, consuming
as many as.