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| Description: Roundworms (phylum Nematoda) are unsegmented, pseudocoelomate worms with a secreted cuticle that is molted Most are decomposers, some are parasites Human parasites include Ascaris (intestinal roundworm), Wuchereria (elephantiasis), and Enterobius (pinworms) Roundworms also affect livestock, pets, and crop plants Picture Stats: Views: 473 Filesize: 130.02kB Height: 320 Width: 1766 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48192 |