This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 19 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What material is formed when organic matter is not fully decomposed in acidic waterlogged soils? A) Coal. B) Hydrogen. C) Oil. D) Peat. Show Answer Correct Answer: D) Peat. 2. What are groups of different populations living togther in the same place at the same time called? A) An organism. B) A population. C) A community. D) A biosphere. Show Answer Correct Answer: C) A community. 3. Worldwide, temperatures have been increasing for more than 100 years. Is this evidence of global warming? A) Yes. B) No. Show Answer Correct Answer: A) Yes. 4. Plankton are tiny aquatic organisms that swim around in the photic zone. A) True. B) False. Show Answer Correct Answer: B) False. 5. A living thing that can't make its own food and must eat other living things. A) Producer. B) Consumer. C) Decoposer. D) Instinct. Show Answer Correct Answer: B) Consumer. 6. Higher trophic levels of a food web generally have A) More organisms. B) Larger organisms. C) Less energy available. D) Greater biomass. Show Answer Correct Answer: C) Less energy available. 7. Which is in the correct order of smallest to biggest? A) Organism, population, community, ecosystem, biome, biosphere. B) Organism, community, population, ecosystem, biome, biosphere. C) Organism, population, ecosystem, community, biome, biosphere. D) Population, organism, community, ecosystem, biome, biosphere. Show Answer Correct Answer: A) Organism, population, community, ecosystem, biome, biosphere. 8. Living organisms that break down organic matter, making it available to primary producers A) Decoposer. B) Detritivore. C) Consumer. D) Producer. Show Answer Correct Answer: A) Decoposer. 9. Predator-Prey relationship A) An organism that eats another organism. B) An organism that participates in symbiosis. C) An organisms that is eaten by another organism. D) An organism that benefits at the expense of another organism. Show Answer Correct Answer: A) An organism that eats another organism. 10. What is a predator A) Animal eaten by other animal. B) Animal that eats plants. C) Animal that hunts and kills other animals. D) None of above. Show Answer Correct Answer: C) Animal that hunts and kills other animals. 11. What kind of factor:predation? A) Density-independent. B) Density-dependent. Show Answer Correct Answer: B) Density-dependent. 12. A bee pollinating a flower transferring the flowers material while the bee feeds on the flower. A) Predation. B) Mutualism. C) Parasitism. D) Commensalism. Show Answer Correct Answer: B) Mutualism. 13. Which relationship is referring to an interaction where one species benefits and the other is harmed? A) Symbiosis. B) Predation. C) Competition. D) Parasitism. Show Answer Correct Answer: D) Parasitism. 14. Which of the following is the smallest level of organization of organisms? A) Community. B) Ecosystem. C) Population. D) Biome. Show Answer Correct Answer: C) Population. 15. Hydroelectricity is power through A) Wind. B) Sun. C) Water. D) None of above. Show Answer Correct Answer: C) Water. 16. 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. 17. 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. 18. 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. 19. 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. 20. A good example of an indicator species would be A) People. B) Frogs. C) Roaches. D) Pigeons. Show Answer Correct Answer: B) Frogs. ← 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