Articles > Indicator Species and Endangered Species – Quiz Indicator Species and Endangered Species – Quiz Quiz Choose the best answer. 1. When you see a relatively decrease of light peppered moth population, it means... There is no pollution in the area. There is a high pollution in the local environment. Pollution is beginning to accumulate in the area. 2. The species that can may imply the state of a local area Endangared species Vulnerable species Indicator species 3. Species that are monitored because of their population has dwindled and in the brink of extinction Endangared species Indicator species Extinct species 4. Areas of the countryside meant to have no buildings Green belts Ecosystem Green buildings 5. It is when a previous ecosystem is superseded by the arrival of a newer ecosystem Ecological population Ecosystem succession Green movement Send Your Results (Optional) Your Name To Email Time is Up!