Every 1000000 years the earths orbit becomes more elongated this change in orbit has caused past ice ages and its called a) condenstion cycleb) milankovitch trend c) milankovitch cycle d) elliptical cycle

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred