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| Description: Invasive species Introduction of non-native species to new environments Accidental: zebra mussels Deliberate: food crops Island species are especially vulnerable Invaders have no natural predators, competitors, or parasites Cost billions of dollars in economic damage Picture Stats: Views: 292 Filesize: 247.03kB Height: 909 Width: 643 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35769 |