This quiz works best with JavaScript enabled. Home > Science > Earth > Environmental Sciences – Quiz 407 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Environmental Sciences Quiz 407 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Removal of which organism would affect all other organisms in the food web? A) Octopus. B) Zooplankton. C) Phytoplankton. D) Fish. Show Answer Correct Answer: C) Phytoplankton. 2. During the Precambrian period, how did the evolution of photosynthesis in cyanobacteria influence the Earth's climate? A) The cyanobacteria did not have a significant impact on the Earth's climate. B) Cyanobacteria absorbed carbon dioxide and released oxygen, causing global warming. C) Cyanobacteria absorbed carbon dioxide and released oxygen, causing global cooling. D) Cyanobacteria produced large amounts of methane, causing global warming. Show Answer Correct Answer: C) Cyanobacteria absorbed carbon dioxide and released oxygen, causing global cooling. 3. Which are species that do not actually live in the habitat? A) Snakes. B) Exotic species. C) Endemic species. D) Indigenous species. Show Answer Correct Answer: B) Exotic species. 4. Each step of a food chain is called as A) Trophic level. B) Food web. C) Eutrophication. D) Biological magnification. Show Answer Correct Answer: A) Trophic level. 5. A chameleon altering its skin to blend in with the tree branch that it lives on is known as a ..... adaptation. A) Physical. B) Behavioral. C) Chemical. D) Ecological. Show Answer Correct Answer: A) Physical. 6. The coniferous forest is South of the tundra biome. A) True. B) False. Show Answer Correct Answer: A) True. 7. A. campaign B. balance C. methane D. carbon A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 8. One or more equations that represents the way a system or process works. A) Conceptual model. B) Mathematical model. C) Physical model. D) Graphical model. Show Answer Correct Answer: B) Mathematical model. 9. The oceans make up 70% of Earth's surface. They regulate the overall temperature of the earth by absorbing a great deal of solar energy and heating up slowly. What is true about the oceans' release of heat? A) The oceans release heat rapidly and add to the greenhouse effect. B) The oceans release heat more slowly than the land. C) The oceans release heat more rapidly than the land. D) The oceans release heat at the same rate as the land. Show Answer Correct Answer: B) The oceans release heat more slowly than the land. 10. Which of the following is NOT a gas found in the atmosphere? A) Argon. B) Methane. C) Carbon dioxide. D) Potassium. Show Answer Correct Answer: D) Potassium. 11. Another term for a consumer: A) Heterotroph. B) Autotroph. C) Producer. D) Protist. Show Answer Correct Answer: A) Heterotroph. 12. Programs that combine what is known about the atmosphere and oceans to simulate, imitate climate processes are called ..... A) Environmental act. B) Climate models. C) Earth models. D) None of above. Show Answer Correct Answer: B) Climate models. 13. A worldview that focuses on all ecological systems and the relationships among them would be considered ..... A) Anthropocentric. B) Biocentric. C) Ecocentric. D) None of above. Show Answer Correct Answer: C) Ecocentric. 14. Genetic diversity in a population is important to an ecosystem because A) It allows species to adapt to changes in the environment. B) It prevents invasive species from taking over. C) It prevents poaching. D) It allows native species to become keystone species. Show Answer Correct Answer: A) It allows species to adapt to changes in the environment. 15. What are organisms living on, near, or in the sediment of lakes called? A) Nektonic. B) Planktonic. C) Limnetic. D) Benthic. Show Answer Correct Answer: D) Benthic. 16. Limestone ridges built by tiny animals A) Swamp. B) Estuary. C) Coral reef. D) Dams. Show Answer Correct Answer: C) Coral reef. 17. When was the first Earth Day? A) April 3rd 1950. B) May 10th 2020. C) April 22 1970. D) January 1st 2023. Show Answer Correct Answer: C) April 22 1970. 18. Which category of ecosystem services includes soil formation and nutrient cycle? A) Provisioning services. B) Regulating services. C) Supporting services. D) Cultural services. Show Answer Correct Answer: C) Supporting services. 19. What is the process of plants taking in carbon dioxide and releasing oxygen called? A) Respiration. B) Produce. C) Photosynthesis. D) Breathing. Show Answer Correct Answer: C) Photosynthesis. 20. In parasitism, this is the organism that is harmed. A) Host. B) Parasite. C) Predator. D) Prey. Show Answer Correct Answer: A) Host. ← 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