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Unformatted text preview: Lake Erie, and lake trout released into Yellowstone Lake where they are threatening the native cutthroat trout populations. 2. Overhunting: When a predator population increases or becomes more efficient at killing the prey, the prey population may decline or go extinct. Examples today include big game hunting, which has in many places reduced the predator (or in this case prey) population. In human prehistory we may have caused the extinction of the mammoths and mastodons due to increased human hunting skill. Secondary extinction: Loss of food species can cause migration or extinction of any species that depends largely or solely on that species as a food source...
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This note was uploaded on 11/29/2011 for the course BIO BSC1010 taught by Professor Gwenhauner during the Fall '10 term at Broward College.
- Fall '10