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The three primary man made factors that cause extinction are as follows:
1. Deforestation, either for developing, farming, or lumber is causing many species to be threatened or even endangered.
2. Overhunting, overfishing, and poaching are threatening many species of animals.
3. Pollution, which can cause trouble ranging from global warming, to toxin induced illnesses, and some animals even get their digestive system totally stopped up by unwittingly eating so much trash. That leads to starvation once there is too much trash in the animal's gut for their to be food
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoHunting and habitat encroachment are two man made factors that can cause animal extinction.
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Sorry, I don't have any answers for What are some energy sources of extinction?
