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| Description: The modern horse evolved from ancestors that were much smaller. The vertical evolution shown here occurred through the accumulation of mutations that altered the traits of the species.
Picture Stats: Views: 6250 Filesize: 62.15kB Height: 645 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=127 Keywords: An example of vertical evolution: the horse |