This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 114 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 114 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which ecosystem structure is considered a "living environment" ? A) Manufacturer. B) Consumer. C) Organic decomposer. D) All items combined. Show Answer Correct Answer: D) All items combined. 2. Dandelions have light furry seeds that allow them to spread easily. A) True. B) False. Show Answer Correct Answer: A) True. 3. The process of a biome being turned into a desert biome A) Desertification. B) Eutrophication. C) Grassification. D) Nonification. Show Answer Correct Answer: A) Desertification. 4. Grasslands are characterized by low amounts of rainfall, few trees, and lots of grass. Which of the following would be the primary inhabitants of the grasslands? A) Tree-dwelling primates. B) Thick-furred mammals. C) Large herbivores. D) Water-conserving plants. Show Answer Correct Answer: C) Large herbivores. 5. Consumes animals A) Scavenger. B) Omnivore. Show Answer Correct Answer: B) Omnivore. 6. Competition between two different species? A) Intraspecific competition. B) Intrerspecific competition. C) Mutualism. D) Commensalism. Show Answer Correct Answer: B) Intrerspecific competition. 7. A community ..... A) An singular living thing. B) Group of the same species that live in one area. C) Major regional or global community of organisms. D) A group of different species that live together in one area. Show Answer Correct Answer: D) A group of different species that live together in one area. 8. When water vapor s cooled and forms droplets- A) Condensation. B) Evaporation. C) Transpiration. D) Run-off. Show Answer Correct Answer: A) Condensation. 9. Ecotone A) A blending of ecosystems. B) Terrestrial ecosystems. C) Aquatic ecosystems. D) An animal's body uses 's to survive an environment. Show Answer Correct Answer: A) A blending of ecosystems. 10. Noise pollution / standards A) Noise pollution/noise pollution standards. B) Nonpoint source of pollution. C) Oil film (on water). D) Ozone depleting substances. Show Answer Correct Answer: A) Noise pollution/noise pollution standards. 11. When you have multiple populations in an area together ..... they are called ..... A) An ecosystem. B) A population. C) A community. D) None of above. Show Answer Correct Answer: C) A community. 12. The series of events through which a stable environment forms in a previously uninhabited region. A) Primary Succession. B) Secondary Succession. C) Pioneer Species. D) Biodiversity. Show Answer Correct Answer: A) Primary Succession. 13. The average temperature of the surface of Earth has increased approximately 1$^\circ$C in the past century. Which reason best explains this increase in temperature? A) Lower levels of ozone in the atmosphere. B) Lower levels of nitrogen in the atmosphere. C) Higher levels of carbon dioxide and other greenhouse gases in the atmosphere. D) Higher levels of oxygen in the atmosphere. Show Answer Correct Answer: C) Higher levels of carbon dioxide and other greenhouse gases in the atmosphere. 14. The prefix BIo-means? A) Before, ahead of time. B) Life, living. C) House. D) Before, ahead of time. Show Answer Correct Answer: B) Life, living. 15. Which factors, if present, may cause a population of animals to decrease? A) Predation an disease. B) Predation and no disease. C) No predation and no disease. D) No predation and disease. Show Answer Correct Answer: A) Predation an disease. 16. The third trophic level where animals eat herbivores is consist of: A) Abiotic factors. B) Secondary producers. C) Biotic factors. D) Primary producer. E) Secondary consumer. Show Answer Correct Answer: E) Secondary consumer. 17. What is an example of an abiotic element that may change an area? A) Introducing a new type of grass to the prairie. B) Water flooding a prairie. C) Two bird species competing for nest habitat. D) Uncontrollable mold growth on trees. Show Answer Correct Answer: B) Water flooding a prairie. 18. What is the term for the land, water, and air on Earth and all its organisms? A) Population. B) Ecosystem. C) Biosphere. D) Community. Show Answer Correct Answer: C) Biosphere. 19. Any factor that restrains the growth of a population A) Trophic level. B) Limiting factors. C) Carrying capacity. D) None of above. Show Answer Correct Answer: B) Limiting factors. 20. Which of the following is the correct levels of organization in the correct order? A) Organism, population, community, ecosystem, biome. B) Organism, community, population, ecosystem, biome. C) Population, community, ecosystem, organism. D) Organism, ecosystem, community, population. Show Answer Correct Answer: A) Organism, population, community, ecosystem, biome. ← 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