Invasive species<span> cause more damage than some pollutants. Almost half of the native </span>species<span> in America are endangered because of </span>invasive species<span>. Compared to other threats to </span>biodiversity<span>, </span>invasive<span>introduced </span>species<span> rank second only to habitat destruction, such as forest clearing.</span>
The answer would be C. Digestive The <em />circulatory system <em>circulates</em> the blood and lymph throughout the body. The excretory system <em>excretes</em> the body wastes.