Choose the True Statement(s) About the Evolutionary Divergence of Horses

Choose the true statement(s) about the evolutionary divergence of horses in North America. Check all that apply.

A) Most changes are seen as adaptations for life in grassland habitats.
B) The general trends during horse evolution are increase in body size, lengthening of limbs, reduction of digits on both sets of limbs, and tooth development for a grazing life style.
C) Horse evolution is unusual in that rates of change were uniform and constant throughout most lineages.
D) Living lineages of horses show much less diversity than existed in the past.