Horse 43 mph 70 kmh

B. Cheetah - 62 mph (99 km/h)
Kangaroo Locomotion

A. The horse has a stiffer spine, making it better suited for endurance. B. The cheetah is the fastest land mammal; flexibility in its spine allows for longer strides. C. The kangaroo has more upward movement with each leap, and does not move forward as quickly as the horse or cheetah. (Illustration by Patricia Ferrer)

A. The horse has a stiffer spine, making it better suited for endurance. B. The cheetah is the fastest land mammal; flexibility in its spine allows for longer strides. C. The kangaroo has more upward movement with each leap, and does not move forward as quickly as the horse or cheetah. (Illustration by Patricia Ferrer)

propels the animal in concert with undulation of the posterior vertebral column. The forelimbs are flippers used for maneuvering. The cervical vertebrae of completely aquatic mammals are short, and they have completely lost their pinnae.

0 0

Post a comment