This quiz works best with JavaScript enabled. Home > Environment > Environmental Science – Quiz 58 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Science Quiz 58 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A testable explanation that is based on observations and research is known as a A) Conclusion. B) Variable. C) Hypothesis. D) Control. Show Answer Correct Answer: C) Hypothesis. 2. Which terms best describe heterotrophs? A) Plants; producers. B) Animals; producers. C) Plants; consumers. D) Animals; consumers. Show Answer Correct Answer: D) Animals; consumers. 3. The arrows in a food chain or web represents what? A) They point to the organism that is being eaten. B) It shows how sunlight flows within an ecosystem. C) They show what direction the energy is flowing between organisms. D) They represent how water is transferred within a habitat. Show Answer Correct Answer: C) They show what direction the energy is flowing between organisms. 4. The uppermost layer of an aquatic ecosystem, where there is enough sunlight for photosynthesis, is called the A) Benthic zone. B) Photic zone. C) Aphotic zone. D) Stream. Show Answer Correct Answer: B) Photic zone. 5. A rock containing iron turns red as its surface is exposed to air and water over time. This is an example of A) Physical weathering. B) Chemical weathering. C) Decomposition. D) Primary succession. Show Answer Correct Answer: B) Chemical weathering. 6. Groundwater depletion can occur from A) Pollution. B) Drought. C) Runoff. D) Leaking. Show Answer Correct Answer: B) Drought. 7. The ozone layer occurs naturally in what layer of the atmosphere? A) Troposphere. B) Stratosphere. C) Mesosphere. D) Thermosphere. Show Answer Correct Answer: B) Stratosphere. 8. Scientist believe that there have been ..... mass extinctions, and we are currently creating the .....? A) 3, 4. B) 4, 5. C) 5, 6. D) 6, 7. Show Answer Correct Answer: C) 5, 6. 9. A person holding a sign during a protest against cutting down trees in a forest would be considered a(n) A) Ecological footprint. B) Environmental scientist. C) Peer reviewer. D) Environmentalist. Show Answer Correct Answer: D) Environmentalist. 10. Food Chain A) Organisms that make their own food. B) Path of energy as it moves from one organism to another. C) System of several overlapping food chains. D) None of above. Show Answer Correct Answer: B) Path of energy as it moves from one organism to another. 11. The human population has grown from 1 billion in the 1800s to more than .....billion today. A) 2. B) 6. C) 9. D) 12. Show Answer Correct Answer: B) 6. 12. How did the Himalaya Mountains form? A) Erosion. B) Convection. C) Glacial movements. D) Colliding tectonic plates. Show Answer Correct Answer: D) Colliding tectonic plates. 13. Which of these is not an example of a commons? A) Air. B) Privately owned farms. C) Ocean. D) Rivers. Show Answer Correct Answer: B) Privately owned farms. 14. What is the difference between swamps and freshwater marshes? A) Swamps have deep water, but marshes have shallow water. B) Swamps have mostly woody shrubs and trees, but marshes have mostly grasses. C) Swamps usually have saltwater, but marshes have fresh water. D) Swamps have lots of wildlife, but marshes do not. Show Answer Correct Answer: B) Swamps have mostly woody shrubs and trees, but marshes have mostly grasses. 15. Carnivore A) An animal that feeds on plants. B) An animal that feeds on both plants and animals. C) An animal that feeds on animals. D) None of above. Show Answer Correct Answer: C) An animal that feeds on animals. 16. This group in an experiment does not change anything in the experimental group is the ..... A) Independent variable. B) Dependent variable. C) Control group. D) Constant. Show Answer Correct Answer: C) Control group. 17. Which of the following statements helps to explain why fresh water is a limited resource? A) Most of Earth's water is salt water. B) About 71 percent of Earth's surface is covered by water. C) Most of Eath's fresh water is not liquid water usable by humans. D) Both (a) and (c). Show Answer Correct Answer: D) Both (a) and (c). 18. As global temperature rises precipitation A) Increases. B) Deceases. C) Remains the same. D) Can no longer be measured. Show Answer Correct Answer: A) Increases. 19. Which one of the following environmental issues can be considered the primary cause of all the others? A) Increasing resource use. B) Destruction of habitat. C) Premature extinction. D) Human population growth. Show Answer Correct Answer: D) Human population growth. 20. When did congress creat the National park Serves A) 194. B) 1994. C) 2013. D) 1916. Show Answer Correct Answer: D) 1916. ← PreviousNext →Related QuizzesEnvironmental Science Quiz 1Environmental Science Quiz 2Environmental Science Quiz 3Environmental Science Quiz 4Environmental Science Quiz 5Environmental Science Quiz 6Environmental Science Quiz 7Environmental Science Quiz 8Environmental Science Quiz 9Environmental Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books