Describe the harmful effects of the marine invasive species known as the lionfish. What are two harmful effects on aquatic systems resulting from the growth of the human population in coastal areas?...

Describe the harmful effects of the marine invasive species known as the lionfish. What are two harmful effects on aquatic systems resulting from the growth of the human population in coastal areas? Give two examples of how pollution is affecting aquatic systems. What are “dead zones” and how do they form? What is the threat from toxic mercury? What are three ways in which projected climate change could threaten aquatic biodiversity?