This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 91 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 91 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A population consists of A) One species. B) Multiple species. Show Answer Correct Answer: A) One species. 2. A corn field includes corn plants, mice, hawks, and various insects, fungi, and bacteria. Which nutritional role is correctly paired with organisms that carry out that role? A) Heterotrophs-corn and bacteria. B) Producers-insects and fungi. C) Consumers-mice and insects. D) Decomposers-hawks and bacteria. Show Answer Correct Answer: C) Consumers-mice and insects. 3. What is the term for the final stage of any ecological succession? A) Climax community. B) Final community. C) Last community. D) Optimal community. Show Answer Correct Answer: A) Climax community. 4. An organism that lives on or in a host and causes it harm is called A) A host. B) A parasite. C) A cell. D) A virus. Show Answer Correct Answer: B) A parasite. 5. How many gram is 350 mg? A) 0.35. B) 350, 000. C) 3.5. D) 0.035. Show Answer Correct Answer: A) 0.35. 6. An organism that hunts and feeds on another organism is a ..... A) Prey. B) Producer. C) Predator. D) Decoposer. Show Answer Correct Answer: C) Predator. 7. Priya and Benjamin went on a field trip to a forest. They observed some animals and plants. They noticed that some organisms must consume other organisms to obtain energy. Which type of organisms are they referring to? A) Heterotrophs. B) Autotrophs. C) Primary. D) Secondary. Show Answer Correct Answer: A) Heterotrophs. 8. The first trophic level includes ..... A) Producers. B) Consumers. C) Animals. D) Insects. Show Answer Correct Answer: A) Producers. 9. In this type of symbiotic relationship one species is benefited while the other is not affected A) Parasitism. B) Mutualism. C) Commensalism. D) None of above. Show Answer Correct Answer: C) Commensalism. 10. Organism capable of making their own food (plant and bacteria) A) Heterotroph. B) Autotroph. C) Primary consumer. D) Carnivore. Show Answer Correct Answer: B) Autotroph. 11. Emigration A) Entering population. B) Exiting population. C) Death rate. D) Staying in population. Show Answer Correct Answer: B) Exiting population. 12. Mistletoe grows and spreads on trees, taking the tree's nutrients. What relationship is this? A) Predation. B) Parasitism. C) Mutualism. D) Commensalism. Show Answer Correct Answer: B) Parasitism. 13. What category of immune response would sneezing fall under? A) Innate Immunity. B) Acquired Immunity. C) Humoral Immunity. D) Cell Mediated Immunity. Show Answer Correct Answer: A) Innate Immunity. 14. The Nature Conservancy is an organization that protects a variety of habitats around the world. A project this organization would probably support is one that A) Uses endangered animals for medical research. B) Protects the biodiversity of areas for future generations. C) Alters habitats for industry and housing. D) Prevents animal species from migrating to other habitats. Show Answer Correct Answer: B) Protects the biodiversity of areas for future generations. 15. A fungus takes some of a trees nutrients for its own benefit A) Parasitism. B) Mutualism. C) Commensalism. D) None of above. Show Answer Correct Answer: A) Parasitism. 16. All living organisms are dependent on plants because plants A) Produce carbon dioxide. B) Remove oxygen from the air. C) Are producers. D) Are consumers. Show Answer Correct Answer: C) Are producers. 17. In 1988 several large forest fires occurred in Yellowstone National Park. What process occurred after these fires? A) Primary succession. B) Secondary succession. C) Pioneer succession. D) Symbiotic succession. Show Answer Correct Answer: B) Secondary succession. 18. Which of the following is NOT a pioneer species? A) Shrubs. B) Lichen. C) Mosses. D) Fungi. Show Answer Correct Answer: A) Shrubs. 19. When water vapor is cooled and forms droplets of liquid water A) Condensation. B) Evaporation. C) Transpiration. D) Runoff. Show Answer Correct Answer: A) Condensation. 20. What model shows how much energy is available at each trophic level in an ecosystem? A) Food chains. B) Energy pyramids. C) Food webs. D) None of above. Show Answer Correct Answer: B) Energy pyramids. ← PreviousNext →Related QuizzesScience QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books