Question

early horses had four toes and lived in grasslands.
a true
b false

Explanation:

Early horses, such as Hyracotherium (Eohippus), had four toes on their front feet and three toes on their hind feet. They lived in forested areas, not grasslands. As evolution occurred, horses adapted to grasslands with changes like the development of a single - toed hoof (for running on open grasslands).

Answer:

B. FALSE