Multiple choice

Splint bones of horse are vestigial

  1. Ulna and Fibula bones

  2. 2nd and 3rd fingers

  3. 2nd and 4th fingers

  4. Humerus and Femur bones

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In the evolution of the horse, the lateral digits (the 2nd and 4th fingers/toes) were reduced to vestigial structures known as splint bones.