Kangaroos conserve energy as they move __________.
A)
by using their front paws to help them run
B)
by using a tailwind to push them forward
C)
by using their hind legs like springs
D)
by running only at night
The spring-like tendons in their hind legs store energy for leaps, kangaroos use less energy hopping than a horse use in running. Kangaroos tend to move in a leisurely fashion using all four feet plus its hefty tail for balance.
