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| Description: Key characteristics of each group (derived characters) are shown. The nested labels across the top of the figure refer to groupings within the vertebrates.
Picture Stats: Views: 1508 Filesize: 67.81kB Height: 972 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=98 Keywords: The major classes of vertebrates. |