How wolves change Rivers
How wolves change rivers? it is about how they help change rivers and they help animals. then the animals help each other.
the wolves scares away the deer, then deer didn't go in some of the area. in some years the trees and plant were growing. so then more animals were living there. the animals also helped out. they built dams than that means that means that there are more homes for animals. there were so many animals. the rivers started to be clean because of the trees were holding the banks up. so there were no meany landslides.
That is how the wolves changed rivers.
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