At the horse evolved from its ancestors due to changes in feeding habits substantial changes occurred in the shape of its teeth. what kind of change is feeding habit is reflected by these modifications? a) the ancestors grazed on soft forest leaves, and modern horses grazed on hard grasses. b) the ancestors grazed on hard grasses, and modern horses grazed on soft forests leaves. c) the ancestors grazed on leaves of tall trees, and modern horses grazed on hard grasses.