Positive Effects Of Wolves Research Paper

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Our class is studying how wolves were kicked out of Yellowstone. We are studying this so we can see what happens when you take out an animal of a food chain. This is interesting because when one thing is taken out of a food chain it can make a big difference. Wolves are interesting animals. Did you know when wolves were taken out of Yellowstone the elk population increased? The elk ate most of the vegetation. This affects most smaller animals. I think that wolves have a positive effect on ecosystems. My first reason why I think that wolves have a positive effect on ecosystems is when they were not there the elk population increased. This is bad because they go every everywhere, not scared this is bad because they eat everything. I know that because the article stated: “the elk population had not only balloon in numbers, but also became fearless.” When wolves were there some places where elk were afraid to go places that were enclosed because they had no place to run. That brings me to my next reason why wolves have a positive effect on ecosystems. The elk eat most vegetation because there is nothing to stop them or kill them. This affects a lot of smaller animals because they have nothing to eat. After the elk ate all …show more content…
You know how I told you how wolves scare away elk from going to certain in the park. When the elk avoid going to certain places “willow trees grow, which slows down the river.” When the river slows down the willow trees provide the Beavers with materials to build their dams. When the beavers build their dams it provides the home for other animals. I know that because the article stated “Their dams provide habitats for otters, muskrat, fish, reptiles, and amphibians. Some people think that wolves are killers, but this proves they also give life. That is my second reason why I think that wolves have a positive effect on

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