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| Description: The bat's wing and the dolphin's flipper were modified from a limb used for walking in an ancestor.
Picture Stats: Views: 1407 Filesize: 63.41kB Height: 693 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=126 Keywords: An example showing a modification that has occurred as a result of biological evolution |