This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 126 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 126 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the major difference between a community and an ecosystem? A) A community involves only the biotic, not the abiotic. B) An ecosystem only includes herbivores and carnivores no decomposers. C) An ecosystem involves only the biotic, AND THE abiotic. D) An ecosystem is just a larger community. Show Answer Correct Answer: C) An ecosystem involves only the biotic, AND THE abiotic. 2. Which is a first level consumer? A) A wolf. B) A hawk. C) A carrot. D) A rabbit. Show Answer Correct Answer: D) A rabbit. 3. Biomes may be terrestrial, aquatic, or atmospheric. A) True. B) False. Show Answer Correct Answer: B) False. 4. The conversion of atmospheric nitrogen into a form that can be used by plants and other organisms A) Nitrogen Fixation. B) Nitrogen Succession. C) Secondary Succession. D) Photosynthesis. Show Answer Correct Answer: A) Nitrogen Fixation. 5. Since lynx prey on hares, an increase in the hare population causes an increase in the lynx population. A) Density-Dependent:Competition. B) Density-Independent:Competition. C) Density-Dependent:Predator-Prey. D) Density-Independent:Predator-Prey. Show Answer Correct Answer: C) Density-Dependent:Predator-Prey. 6. Factors like predation can have a positive benefit to the population of prey organisms because predators tend to keep prey populations below their ..... A) Carrying capacity. B) Sustainibility number. C) Exponential growth point. D) Competition level. Show Answer Correct Answer: A) Carrying capacity. 7. What is the difference between a terrestrial ecosystem and an aquatic one? A) Terrestrial ecosystems are on land, and aquatic ecosystems are in water. B) Terrestrial ecosystems are very dry, and aquatic ecosystems have a lot of rain. C) Terrestrial ecosystems are on land, and aquatic ecosystems are in the ocean. D) Terrestrial ecosystems have no deep water in them, and aquatic ecosystems are found at the bottom of a deep lake or ocean. Show Answer Correct Answer: A) Terrestrial ecosystems are on land, and aquatic ecosystems are in water. 8. Which one is a scavenger? A) Sea anemone. B) Bear. C) Shark. D) Vulture. Show Answer Correct Answer: D) Vulture. 9. No two species can occupy the same niche A) Competitive Exclusion Principle. B) Limiting Exclusion Theory. C) Competitive Limiting Principle. D) Limiting Competitive Theory. Show Answer Correct Answer: A) Competitive Exclusion Principle. 10. How many levels of the energy pyramid are there? A) 3. B) 7. C) 4. D) 11. Show Answer Correct Answer: C) 4. 11. Biomagnification is when ..... A) Pollutants accumulate higher up the food chain. B) Life moves into higher areas of the Earth. C) The temperature of the Earth grows as a result of pollution. D) Phosphorus cycles through the environment. E) 10% energy is lost at every trophic level. Show Answer Correct Answer: A) Pollutants accumulate higher up the food chain. 12. A fox who eats berries, insects, and birds is a(n): A) Herbivore. B) Carnivore. C) Omnivore. D) None of above. Show Answer Correct Answer: C) Omnivore. 13. Abiotic can be defined as? A) An organism that is alive. B) Non-living parts of the environment. C) Living Parts of the environment. D) A new kind of Pokemon that lives with Pikachu. Show Answer Correct Answer: B) Non-living parts of the environment. 14. An area where an organism finds food, shelter and water in a specific arrangement A) Niche. B) Biosphere. C) Habitat. D) Biome. Show Answer Correct Answer: C) Habitat. 15. Organisms that live at the bottom of the water A) There is no correct answer. B) Nekton. C) Fauna. D) Flora. E) Benthos. Show Answer Correct Answer: E) Benthos. 16. Which of the following limiting factors is NOT a density dependent limiting factor? A) Predation. B) Competition. C) Parasitism. D) Natural Disasters. Show Answer Correct Answer: D) Natural Disasters. 17. An organism that consumes producers (plants) and other consumers for food is called a ..... A) Omnivore. B) Herbivore. C) Carnivore. D) Detrivorous. Show Answer Correct Answer: A) Omnivore. 18. Shows how energy is passed from one organism to the next A) Food web. B) Food chain. C) Energy pyramid. D) None of above. Show Answer Correct Answer: C) Energy pyramid. 19. When water turns into a gas A) Condensation. B) Evaporation. C) Precipitation. D) None of above. Show Answer Correct Answer: B) Evaporation. 20. A type of animal adaptation. The animal will sleep all winter. A) Camouflage. B) Hibernation. C) Burrowing. D) Climbing. Show Answer Correct Answer: B) Hibernation. ← 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