ENVS 1126 FINAL EXAM- LSU Aixin Hou Exam Questions With Correct Answers 2025/2026

ENVS 1126 FINAL EXAM- LSU Aixin Hou Exam Questions With Correct Answers 2025/2026 Anaerobic respiration - Correct Answer occurs without oxygen and may produce methane gas or ethanol. Which one of the following statements is true about methane (CH4)? - Correct Answer Methane is an organic molecule and a greenhouse gas. As environmental systems have declined, human well-being has improved. What is the most probable reason for this "Environmentalist's Paradox"? - Correct Answer Enhanced food production has outweighed declines in ecosystem services. You watched a video on American Alligator in the Florida Everglades in your envs1126 class. The alligators play a crucial role in maintaining the integrity of the Everglades. For this reason, the American alligator is considered a ______species. - Correct Answer keystone species A volcano in the Pacific Ocean has just erupted and created a new island off the coast of California. After a long period of time, moss will start growing from the rocks that make up the entire Island. This process is an example of ___. - Correct Answer Primary succession