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All of the following are examples of helping endangered species EXCEPT:


A.habitat restoration which may include removing invasive species


B.overfishing in only certain areas


C.reintroducing native species


D.habitat preservation


and


Why are invasive species often considered a disturbance in an ecosystem?


A. They compete for resources.


B. They have special growth needs.


C. They cause increased biodiversity.


D. They increase mutations.