Which sentence uses supporting evidence to form the best conclusion about
a kangaroo rat?
A. The kangaroo rat had a fairly stable internal body temperature, so
it is an endotherm.
B. The kangaroo rat shivered in order to raise its body temperature,
so it is an ectotherm.
C. The kangaroo rat went for a swim to lower its temperature, so it is
an endotherm.
D. The kangaroo rat moved onto a hot rock in order to quickly warm
up, so it is an ectotherm.