Limbs partially or fully elevate their body and only some feet touch the ground at any given time to reduce friction.

A) animals that creep or slither along surfaces
B) animals that swim
C) animals that fly
D) animals that jump
E) animals that walk or run

Elevate

To elevate means to raise something to a higher position or level, physically or metaphorically.

Friction

A force that opposes the movement of two surfaces that are in contact with each other.

Adaptation

The process by which organisms adjust to their environment in order to survive and reproduce, including changes in structure, function, or behavior.