This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 132 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 132 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following describes a community? A) All populations that live in the same area but don't interact. B) All population that live in the same area and interact. C) All populations that contain the same species. D) All populations that live in the same area. Show Answer Correct Answer: D) All populations that live in the same area. 2. Energy flow for an ecosystem starts with ..... A) Sun. B) Moon. C) Neither. D) None of above. Show Answer Correct Answer: A) Sun. 3. One factor that drives population changes is A) The availability of resources. B) Predation. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 4. A stable ecological community that has reached equilibrium: A) Ecological succession. B) Climax community. C) Secondary succession. D) Pioneer species. Show Answer Correct Answer: B) Climax community. 5. Pollution A) Pollution. B) Pollution. C) Pollution. D) Pollution. Show Answer Correct Answer: A) Pollution. 6. (births + immigration)-(deaths + emigration) = A) Different trophic levels. B) Population replacement. C) Change in population size. D) Evolution. Show Answer Correct Answer: C) Change in population size. 7. All the different populations that live together in an area make up a ..... A) Habitat. B) Ecosystem. C) Factors. D) Community. Show Answer Correct Answer: D) Community. 8. She is a good girl. She helps ..... mother. A) His. B) Our. C) Her. D) Its. Show Answer Correct Answer: C) Her. 9. The largest population an environment can support? A) Population density. B) Carrying capacity. C) Limiting factor. D) Emigration. Show Answer Correct Answer: B) Carrying capacity. 10. True or false:CO2 is converted into organic materials by decomposition after it is dissolved into the ocean in the carbon cycle. A) True. B) False. Show Answer Correct Answer: B) False. 11. Which of the following is NOT a biotic factor? A) Owl. B) Coral. C) Wood. D) Water. Show Answer Correct Answer: D) Water. 12. Forms the basis of all organic compounds A) Carbon. B) Nitrogen. C) Oxygen. D) Hydrogen. Show Answer Correct Answer: A) Carbon. 13. Commensalism is A) A relationship in which both species benefit. B) A relationship in which one organism lives on or inside another organism and harms it. C) A relationship in which two species live close together. D) A relationship in which one organism benefits and the other does not. Show Answer Correct Answer: D) A relationship in which one organism benefits and the other does not. 14. What is meant by "solar radiation equilibrium" in the related ecology principle? A) The complex atmospheric conditions combined with the net influx and radiation outflux produces a long term balance. B) The ecosystem of the earth is maintained by the constant heating of the planet. C) The exact incoming solar radiation is necessary for sustaining life. D) None of above. Show Answer Correct Answer: A) The complex atmospheric conditions combined with the net influx and radiation outflux produces a long term balance. 15. The part of Earth where organisms can live. A) Biosphere. B) Miosphere. C) Hemisphere. D) Equator. Show Answer Correct Answer: A) Biosphere. 16. Which biome experiences very high temperatures during the day and very low temperatures during the night? A) Tropical rainforest. B) Taiga. C) Desert. D) Temperate deciduous. Show Answer Correct Answer: C) Desert. 17. A group of organisms of the same species living in the same place at the same time is called a(n) ..... A) Ecosystem. B) Population. C) Community. D) Organism. Show Answer Correct Answer: B) Population. 18. Put the levels of organization in an ecosystem in order from the largest to the smallest. A) Population, organism, community. B) Organism, community, population. C) Community, population, organism. D) Community, organism, population. Show Answer Correct Answer: C) Community, population, organism. 19. Top soil that is frozen is called A) Soil Freeze. B) Permafrost. C) Ice. D) Frost Bite. Show Answer Correct Answer: B) Permafrost. 20. Which of the following in biotic? A) Soil. B) Gold. C) Paper. D) Grapes. Show Answer Correct Answer: D) Grapes. ← 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