Answer 5 questions based on an article

Overview

• Is this article an example of primary literature? Why or why not? 
• This article references peer-reviewed articles. How could you view a copy of the cited articles? Select one of the referenced articles and give the complete citation. 
• Based on the reading, what is the biodiversity crisis? 
• What is the relationship between ecosystems and the levels of carbon dioxide in the atmosphere as presented in the article? 
• What is one question you have after reading this article? How can you find peer-reviewed articles on that subject? Give the citation of one article related to your question.