This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 243 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 243 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An organism's particular role in an ecosystem, or how it makes its living. A) Community. B) Niche. C) Population. D) Consumer. Show Answer Correct Answer: B) Niche. 2. Are living things biotic or abiotic? A) Biotic. B) Abiotic. Show Answer Correct Answer: A) Biotic. 3. What factor determines the maximum number of individuals a population can handle? A) Capacity Determinator. B) Limiting Resource. C) Maximizing Item. D) Restricting Agent. Show Answer Correct Answer: B) Limiting Resource. 4. What climate zone is warm year round and receives high amounts of rain? A) Tropical. B) Temperate. C) Polar. D) Highland. E) Dry. Show Answer Correct Answer: A) Tropical. 5. The water on Earth is billions of years old. A) True. B) False. Show Answer Correct Answer: A) True. 6. Permafrost characterizes the biome called A) Taiga. B) Savanna. C) Boreal forest. D) Tundra. Show Answer Correct Answer: D) Tundra. 7. Symbiotic relationship that benefits both organisms A) Commensalism. B) Mutualism. C) Parasitism. D) Competition. Show Answer Correct Answer: B) Mutualism. 8. A large ecosystem with similar characteristics, like climate and soil quality A) Organism. B) Population. C) Biome. D) Ecosystem. Show Answer Correct Answer: C) Biome. 9. Which of the following food chains shows the correct energy flow from left to right. A) Rabbit owl grass. B) Grass rabbit owl. C) Owl rabbit grass. D) Grass owl rabbit. Show Answer Correct Answer: B) Grass rabbit owl. 10. Which food chain is in the correct order? A) Cat, grass, bird, snail. B) Bird, snail, grass, cat. C) Grass, snail, bird, cat. D) Grass, cat, bird, snail. Show Answer Correct Answer: C) Grass, snail, bird, cat. 11. All living organisms, plants and animals present in an environment are known as A) Abiotic component. B) Biotic component. C) Physical component. D) None of these options. Show Answer Correct Answer: B) Biotic component. 12. What are "trophic levels" ? A) Levels in a food web/food chain. B) Levels of land in a mountain. C) Animal diets. D) None of above. Show Answer Correct Answer: A) Levels in a food web/food chain. 13. Ecosystems in water 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: C) Aquatic ecosystems. 14. Which of the following correctly lists the levels of organization in increasing order? A) Organism, community, ecosystem, population. B) Ecosystem, community, population, organism. C) Organism, population, ecosystem, community. D) Organism, population, community, ecosystem. Show Answer Correct Answer: D) Organism, population, community, ecosystem. 15. Limiting Factor:definition A) Any factor that slows the speed of alpaca. B) Any factor that slows growth in an ecosystem. C) Any factor that slows community growth. D) Any factor that slows population growth. Show Answer Correct Answer: D) Any factor that slows population growth. 16. A producer that makes their own food is also called A) Heterotroph. B) Autotroph. C) Consumer. D) Detrivorous. Show Answer Correct Answer: B) Autotroph. 17. Mice eat grain laced with rat poison, but don't die immediately. Snakes eat these mice and then the snakes are soon eaten by a hawk. Which of these organisms would have the highest level of the rat poison if it biomagnifies? A) The grain. B) The mouse. C) The snake. D) The hawk. Show Answer Correct Answer: D) The hawk. 18. Bacteria is ..... A) Biotic. B) Abiotic. Show Answer Correct Answer: A) Biotic. 19. A large area that has a particular climate, particular plants and particular animals is a A) Ecology. B) Biome. C) Ecosystem. D) Biosphere. Show Answer Correct Answer: B) Biome. 20. Obtain energy by consuming organic molecules made by other organisms A) Chemosynthesis. B) Biomass. C) Consumer. D) Decoposer. Show Answer Correct Answer: C) Consumer. ← 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