Question

Bird have bipedal locomotion as it

• A. Reduces body weight
• B. Increases rate of locomotion
• C. Provides more support to the body
• D. Spares forelimbs for flight

Answer 1

The correct option is D Spares forelimbs for flight

Sparing of the forelimb to carry out other functions is the most important reason for bipedal locomotion in both birds and mammals like primates. In birds, the forelimbs are modified to wings which help animal to fly. In primates the forelimbs are modified to grasp and hold objects.