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The History of the Horse
Breeds of Horses
3 other sections not shown
adapt adult behavior American ancestor animal’s anxious Arabian asses aversive events become behav breed buzzer chamber comparative psychology conﬂict deﬁned determine difﬁcult dinosaurs dogs domestic horse draught horses early experience effects elicit environment Eohippus equine behavior Equus Eutheria experimental extinct factors Fell Pony ﬁeld ﬁgure ﬁnd ﬁrst ﬁve foal genetic Hackney havior herd heredity horse colors horse is soothed horse is walked horse owner horse’s human identiﬁed important inﬂuence leaming learning level of anxiety lever mammals Merychippus Mesohippus Mesozoic Miohippus modem horse monkeys mothers occur Old Bullet organism organism’s P.O. Box Parahippus pattems perform period Perissodactyla Pleistocene pointer dogs pounds primary stimulus procedure punishment Quarter horse range reinforcement result shock skewbald social soothed and fed species speciﬁc Standardbred stimuli tasks techniques Tennessee Walking Horse theory Thoroughbred tion trauma variables Welsh Mountain Pony Welsh Pony wild horse Wolpe zebra