This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 270 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 270 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What type of relationship between organisms is one in which one organism benefits and the other is not affected? A) Predation. B) Parasitism. C) Commensalism. D) Mutualism. Show Answer Correct Answer: C) Commensalism. 2. What do you call water that flows on Earth's surface from high elevation to low elevation? A) Clouds. B) Precipitation. C) Runoff. D) Groundwater. Show Answer Correct Answer: C) Runoff. 3. What do we call water that flows over the ground surface rather than soaking in? A) Runoff. B) Discharge. C) Recharge. D) Tributary. Show Answer Correct Answer: A) Runoff. 4. Are passed down to future generations more often A) Favorable Adaptations. B) Evolution. C) Mutations. D) Abilities. Show Answer Correct Answer: A) Favorable Adaptations. 5. "The process of organisms migrating into a new or disturbed area" is the definition of: A) Succession. B) Biodiversity. C) Pioneer Species. D) Climax Community. Show Answer Correct Answer: A) Succession. 6. Food is broken down into simple materials as it A) Is processed in the small intestine. B) Is chewed and mixed with digestive juices. C) Travels through the bloodstream. D) Absorbs energy from the sun. Show Answer Correct Answer: B) Is chewed and mixed with digestive juices. 7. What are organisms that feed on ready-made organic matter called? A) Hydrobionts. B) Autotrophs. C) Heterotrophs. D) Edaphites. E) Chemotrophs. Show Answer Correct Answer: C) Heterotrophs. 8. Which greenhouse gas is the biggest contributor to climate change? A) Methane (CH4). B) Oxygen gas (O2). C) Water (H2O) vapor. D) Carbon Dioxide (CO2). Show Answer Correct Answer: D) Carbon Dioxide (CO2). 9. A relationship where one species benefits but the other is neither helped or harmed is called a(n) ..... A) Mutalismsm. B) Commensalism. Show Answer Correct Answer: B) Commensalism. 10. What is a GEOGRAPHIC AREA where plants, animals, and other organisms, as well as weather and landscapes, work together to form a bubble of life? A) Ecology. B) Ecosystem. C) Biome. D) Biodiversity. Show Answer Correct Answer: B) Ecosystem. 11. What is the role of an organism in its habitat or how it makes its living? A) Community. B) Population. C) Niche. D) Ecosystem. Show Answer Correct Answer: C) Niche. 12. All of the following are abiotic factors except: A) Tree. B) Temperature. C) PH. D) Sunlight. Show Answer Correct Answer: A) Tree. 13. Who was a lover of nature and convinced Teddy Roosevelt to preserve lands for National Parks? A) Albert Einstein. B) John Muir. C) Teddy Roosevelt. D) George Washington. Show Answer Correct Answer: B) John Muir. 14. What is another word for consumers? A) Heterotroph. B) Autotroph. Show Answer Correct Answer: A) Heterotroph. 15. This biome is near the equator. A) Temperate deciduous forest. B) Grassland. C) Rainforest. D) Desert. Show Answer Correct Answer: C) Rainforest. 16. Which of the following is not a biotic factor that can affect plants? A) Availability of food. B) New pathogens. C) New predators. D) Amount of carbon dioxide. Show Answer Correct Answer: D) Amount of carbon dioxide. 17. Parts of the seed that becomes the root A) Epicotyl. B) Cotyledon. C) Hypocotyl. D) Radicle. Show Answer Correct Answer: D) Radicle. 18. What is the main use of coal today? A) Heating homes. B) Fuel for vehicles. C) Making electricity. D) Powering solar panels. Show Answer Correct Answer: C) Making electricity. 19. Series of changes where other organisms have not previously lived A) Primary succession. B) Secondary succession. C) Commensalism. D) Competition. Show Answer Correct Answer: A) Primary succession. 20. Learned behavior A) Born with a behavior. B) Behavior most likely learned from parent, sibling or someone close to you. Show Answer Correct Answer: B) Behavior most likely learned from parent, sibling or someone close to you. ← 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