Which of the Following Features of Ancient Horses Are Adaptations

Multiple Choice

Which of the following features of ancient horses are adaptations for living on open grasslands? Check all that apply.

A) multiple toes that increased flexibility
B) complex patterns of ridges on molar and premolars that increased chewing ability
C) lengthening of limbs that increased running speed over long distances
D) decrease in body size that increased agility in confined spaces