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Justify (born in March 28, 2015) is a US Hall of Fame Thoroughbred racehorse who is known for being the thirteenth winner of the American Triple Crown. He also was the first horse since Apollo in 1882 to win the Kentucky Derby without racing as a two-year-old. Justify first attracted attention with a win in his debut race on February 18, 2018.
Genetic evidence indicates that domestication of the modern horse's ancestors likely occurred in an area known as the Volga–Don, in the Pontic–Caspian steppe region of eastern Europe, around 2200 BC. From there, use of horses spread across Eurasia for transportation, agricultural work, and warfare. Scientists have linked the successful ...
The evolution of the horse, a mammal of the family Equidae, occurred over a geologic time scale of 50 million years, transforming the small, dog-sized, [ 1 ] forest-dwelling Eohippus into the modern horse. Paleozoologists have been able to piece together a more complete outline of the evolutionary lineage of the modern horse than of any other ...
Scientists have traced the origin of the modern horse to a lineage that emerged 4,200 years ago. CHRISTINA LARSON. June 6, 2024 at 10:57 AM. WASHINGTON (AP) — The horse transformed human history ...
The history of horse domestication has been subject to much debate, with various competing hypotheses over time about how domestication of the horse occurred. The main point of contention was whether the domestication of the horse occurred once in a single domestication event, or that the horse was domesticated independently multiple times.
The probable course of development of horses from Hyracotherium to Equus (the modern horse) involved at least 12 genera and several hundred species. The major trends seen in the development of the horse to changing environmental conditions may be summarized as follows: Increase in size (from 0.4 m to 1.5 m — from 15 in to 60 in);
The horse (Equus ferus caballus) [ 2 ][ 3 ] is a domesticated, one-toed, hoofed mammal. It belongs to the taxonomic family Equidae and is one of two extant subspecies of Equus ferus. The horse has evolved over the past 45 to 55 million years from a small multi-toed creature, close to Eohippus, into the large, single-toed animal of today.
The theory of recapitulation, also called the biogenetic law or embryological parallelism—often expressed using Ernst Haeckel's phrase "ontogeny recapitulates phylogeny"—is an historical hypothesis that the development of the embryo of an animal, from fertilization to gestation or hatching (), goes through stages resembling or representing successive adult stages in the evolution of the ...