This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 156 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 156 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The fact that useful man-made substances can cause unforeseen damage is illustrated by A) The pollution of the Gulf of Mexico from farm chemicals. B) The condition of the atmosphere's protective ozone layer. C) Plastics being mistakenly eaten by seabirds. D) All these answers are correct. Show Answer Correct Answer: D) All these answers are correct. 2. Why do higher trophic levels in most ecosystems contain fewer organisms than lower trophic levels? A) Energy available for use to the highest trophic level is small. B) Energy available for use to the lowest trophic level is small. C) Energy available for use to the highest trophic level is large. D) Energy available for use to the highest and lowest trophic levels is the same. Show Answer Correct Answer: A) Energy available for use to the highest trophic level is small. 3. Food chain always starts with ..... A) Plant life. B) Animals. C) Air. D) None of these. Show Answer Correct Answer: A) Plant life. 4. Water is one of the most important resources known to humans. A) True. B) False. C) Maybe. D) Sometimes. Show Answer Correct Answer: A) True. 5. Which of the following groups of environmental science careers are most similar? A) Hydrologist, toxicologist, environmental lawyer. B) Environmental physician, environmental veterinarian. C) Environmental activist, oceanographer, ecologist. D) Oceanographer, Environmental journalist. Show Answer Correct Answer: B) Environmental physician, environmental veterinarian. 6. The wearing away of the earth's surface by water, wind or ice A) River basin. B) Pollution. C) Ocean waves. D) Erosion. Show Answer Correct Answer: D) Erosion. 7. Why is biodiversity important to ecosystems? A) It helps populations adapt to ecological changes. B) It increases at each level of the food chain. C) It passes energy between trophic levels. D) It allows for hunting tagsSEV4. Show Answer Correct Answer: A) It helps populations adapt to ecological changes. 8. Sunlight and Wind energy are ..... resources. A) Renewable. B) Nonrenewable. C) Semirenewable. D) Unrenewable. Show Answer Correct Answer: A) Renewable. 9. Describes the area in which a certain population lives A) Population Density. B) Carrying Capacity. C) Geographic distribution. D) Crowdedness. Show Answer Correct Answer: C) Geographic distribution. 10. Which of the following is NOT affected by changes in the environment? A) The Weather. B) Your Health. C) DHD Operations. D) Your Wallet. Show Answer Correct Answer: C) DHD Operations. 11. Evidence shows that some grasses benefit from being grazed. Which of the following terms would best describe this plant-herbivore interaction? A) Mutualism. B) Commensalism. C) Parasitism. D) Competition. Show Answer Correct Answer: A) Mutualism. 12. All of the following is an example of physical change EXCEPT * A) Spoiled milk. B) Dissolved sugar. C) Crushed ice. D) Spoiled milk. Show Answer Correct Answer: A) Spoiled milk. 13. Which of the following is a true statement about surface water? A) All large cities use surface water as a water source. B) Drought conditions reduce the amount of surface water worldwide. C) Sluggish waters make natural lakes poor water sources. D) It makes up less than 1 percent of all water on Earth. Show Answer Correct Answer: D) It makes up less than 1 percent of all water on Earth. 14. The Himalayan mountains were a result of which type of collision? A) Continental > < Continental. B) Continental > < Oceanic. C) Oceanic > < Oceanic. D) None of above. Show Answer Correct Answer: A) Continental > < Continental. 15. What can REMOVE dissolved oxygen from the water? A) Cellular respiration. B) Decomposition. C) Warming waters. D) All of the above. Show Answer Correct Answer: D) All of the above. 16. What would be the best scale for this data? Days Cm 1 1.0 2 3.5 3 5.0 4 8.5 A) Count by fives to 10. B) Count by tens to 100. C) Count by ones to 5. D) Count by ones to 10. Show Answer Correct Answer: D) Count by ones to 10. 17. Repetition is when one scientist A) Copies another scientist's experiment. B) Bumps into another scientists. C) Repeats their own experiment several times. D) Clones a T. rex. Show Answer Correct Answer: C) Repeats their own experiment several times. 18. This species is often the first to suffer when the environmental conditions begins to decline A) Pioneer Species. B) Keystone Species. C) Indicator Species. D) Exotic Species. Show Answer Correct Answer: C) Indicator Species. 19. The 2 primary gases in Earth's atmosphere are ..... and ..... A) Oxygen and nitrogen. B) Oxygen and ozone. C) Nitrogen and CO2. D) CO2 and methane. Show Answer Correct Answer: A) Oxygen and nitrogen. 20. Species that are nonnative and harmful to an ecosystem A) Nonnative species. B) Invasive species. C) Keystone species. D) Indicator species. Show Answer Correct Answer: B) Invasive species. ← PreviousNext →Related QuizzesScience QuizzesEnvironmental Sciences Quiz 1Environmental Sciences Quiz 2Environmental Sciences Quiz 3Environmental Sciences Quiz 4Environmental Sciences Quiz 5Environmental Sciences Quiz 6Environmental Sciences Quiz 7Environmental Sciences Quiz 8Environmental Sciences Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books