Original sentence: Some scientists opposed the logging plan, contending that the removal of trees from this area would not only harm the generation of endangered species, it would also throw the equilibrium of the area into disarray, as the endangered species play a key role in maintaining the cycles of habitat, food, and energy in the area
Edited sentence: The removal of trees from this area would not only harm the generation of endangered species, it would also throw the equilibrium of the area into disarray, as the endangered species play a key role in maintaining the cycles of habitat, food, and energy in the area