This just in... noted for its strength, this breed of horse seen here was named for a schoolteacher
... course where the horses must navigate through pairs of cones that are just 
wide... [DOC] [TLE] evolution | scientific theory | Britannica.com [PAR] Dec 17, 2014 ... More than 2 million existing species of organisms have been named and 
described .... Evolution of the horse over the past 55 million years.