This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 74 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 74 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. "Nature's recyclers" are A) Predators. B) Decomposers. C) Producers. D) Omnivores. Show Answer Correct Answer: B) Decomposers. 2. Businesses in a ..... have the right to produce any goods they want. A) Free enterprise system. B) Demand. C) Interdependent. D) Globalization. Show Answer Correct Answer: A) Free enterprise system. 3. Which of the following describes an interaction in which one organism kills and eats another? A) Competition. B) Symbiosis. C) Predation. D) Mutualism. Show Answer Correct Answer: C) Predation. 4. How do nitrogen compounds created by lightning get into the soil? A) Decomposers break it down. B) Rain washes compounds out of air. C) Bacteria in the soil. D) Flows through the food web. Show Answer Correct Answer: B) Rain washes compounds out of air. 5. Factors that affect populations regardless of their size are called ..... limiting factors. A) Density dependent. B) Biodiversity. C) Extreme. D) Density independent. Show Answer Correct Answer: D) Density independent. 6. People need energy to ..... A) Do things. B) Sleep. C) Eat. D) Drink. Show Answer Correct Answer: A) Do things. 7. Short coniferous trees, short growing season, heavy snowfall, migratory songbirds, moose and pine martens are characteristic of: A) Polar biomes. B) Tundra. C) Taiga. D) Desert. Show Answer Correct Answer: C) Taiga. 8. Range of values that is needed for organism survival A) Carrying Capacity. B) Limiting factor. C) Tolerance range. D) Optimum range. Show Answer Correct Answer: C) Tolerance range. 9. It was hot all week last week. Is this a sign of climate change? A) Yes. B) No. Show Answer Correct Answer: B) No. 10. What are plants that convert energy from the sun called? A) Decoposer. B) Primary consumer. C) Secondary consumer. D) Producer. Show Answer Correct Answer: D) Producer. 11. Series of changes where an existing community is destroyed A) Primary succession. B) Secondary succession. C) Commensalism. D) Competition. Show Answer Correct Answer: B) Secondary succession. 12. Another name for consumer that means to consume other organisms A) Autotroph. B) Heterotroph. C) Producer. D) Prey. Show Answer Correct Answer: B) Heterotroph. 13. Toxins accumulate in the tissues of organisms as they pass through a food chain/web. A) Eutrophication. B) Biomagnification. C) Ecological succession. D) Symbiosis. Show Answer Correct Answer: B) Biomagnification. 14. A tick and a dog have this type of relationship. A) Mutualism. B) Commensalism. C) Neutralism. D) Parasitism. Show Answer Correct Answer: D) Parasitism. 15. Two animals living together in a close relationship A) Predator/prey. B) Symbiosis. C) Consumers. D) Producers. Show Answer Correct Answer: B) Symbiosis. 16. If the amount of predators decreases, the amount of prey animals will ..... A) Increase. B) Decrease. Show Answer Correct Answer: A) Increase. 17. What is the main function of cellular respiration? A) To get rid of ATP. B) To prevent ATP. C) To create ATP. D) None of above. Show Answer Correct Answer: C) To create ATP. 18. Meat-eaters A) Herbivore. B) Omnivore. C) Carnivore. D) None of above. Show Answer Correct Answer: C) Carnivore. 19. In a food web, which organism should have arrows pointing to it from all organisms in the food web A) Lion-apex predator. B) Plant-producer. C) Bacteria-decomposer. D) None of above. Show Answer Correct Answer: C) Bacteria-decomposer. 20. All the different populations that live together in an area is called a A) Biome. B) Ecosystem. C) Community. D) Biosphere. Show Answer Correct Answer: B) Ecosystem. ← 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