This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 20 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hydroelectricity is power through A) Wind. B) Sun. C) Water. D) None of above. Show Answer Correct Answer: C) Water. 2. What is the correct order of levels of ecological organization? A) Organismpopulationcommunityecosystembiomebiosphere. B) Organismcommunitypopulationecosystembiomebiosphere. C) Organism CommunityPopulationEcosystemBiomeBiosphere. D) OrganismPopulationCommunityEcosystemBiosphereBiome. Show Answer Correct Answer: A) Organismpopulationcommunityecosystembiomebiosphere. 3. What are requirements for exponential growth to occur? A) Reproductive success. B) Unlimited food, water, shelter, and other resources. C) Absence of predators. D) All of these. Show Answer Correct Answer: D) All of these. 4. The first organisms that appear in an ecological community A) Ecological succession. B) Primary succession. C) Secondary succession. D) Pioneer specs. Show Answer Correct Answer: D) Pioneer specs. 5. A group of organisms of the same species living in the same space A) Population. B) Community. C) Niche. D) Habitat. Show Answer Correct Answer: A) Population. 6. A good example of an indicator species would be A) People. B) Frogs. C) Roaches. D) Pigeons. Show Answer Correct Answer: B) Frogs. 7. Which type of immune system is faster? A) Adaptive Immunity. B) Innate Immunity. Show Answer Correct Answer: B) Innate Immunity. 8. Overpopulation can lead to all of the following except ..... A) Unhygienic living conditions. B) Disturbance of ecosystems. C) Starvation and malnutrition. D) A shift in the carrying capacity. Show Answer Correct Answer: D) A shift in the carrying capacity. 9. What does the ozone protect us from? A) Aliens. B) Ultraviolet radiation. C) Carbon dioxide. D) Homework. Show Answer Correct Answer: B) Ultraviolet radiation. 10. Be careful! The floor is ..... A) White. B) Clean. C) Dry. D) Wet. Show Answer Correct Answer: D) Wet. 11. A tick on a dog is an example of what kind of symbiotic relationship? A) Parasitism. B) Commensalism. C) Mutualism. D) Competition. Show Answer Correct Answer: A) Parasitism. 12. Which of the following did we discuss as a keystone species? A) Lions. B) Beavers. C) Frogs. D) Zebras. Show Answer Correct Answer: B) Beavers. 13. A claim is ..... A) A kind of shellfish often used in chowder. B) A fact. C) A statement or conclusion that answers the original question or problem. D) A bad thing to make about something. Show Answer Correct Answer: C) A statement or conclusion that answers the original question or problem. 14. How do producers get the nutrients they need to survive? A) They obtain energy from eating other organisms. B) The break down and use the nutrients in dead organisms. C) They absorb nutrients from the atmosphere. D) They use energy from the sun to make food from water and carbon dioxide. Show Answer Correct Answer: D) They use energy from the sun to make food from water and carbon dioxide. 15. ..... are the non living parts of the ecosystem that are necessary for life. A) Biotic Factors. B) Limiting Factors. C) Pioneer Species. D) Abiotic Factors. Show Answer Correct Answer: D) Abiotic Factors. 16. I am a carnivore that eats mice, lives in the desert and not the apex predator.Who am I? A) Snake. B) Cactus. C) Hawk. D) Mice. Show Answer Correct Answer: A) Snake. 17. When wolves were absent from the Yellowstone food web, what type of trophic cascade did their absence cause? A) Top-down. B) Bottom-up. C) Neither. D) None of above. Show Answer Correct Answer: A) Top-down. 18. Parasitism What does "parasitus" mean in Greek? A) Eating together. B) Food, food. C) Predatory. D) Dishonesty. E) Competitor. Show Answer Correct Answer: D) Dishonesty. 19. Examples of a producer A) Q. B) A. C) S. D) S. Show Answer Correct Answer: B) A. 20. What is an ecological succession? A) Series of gradual changes that occur after a disturbance. B) Changes that only happen when species die. C) A series of changes that cause a population to increase or decrease. D) An INSTANT change caused by a disturbance. Show Answer Correct Answer: A) Series of gradual changes that occur after a disturbance. ← PreviousNext →Related QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9Ecology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books