This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 121 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 121 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the largest classification group A) Class. B) Order. C) Kingdom. D) Species. Show Answer Correct Answer: C) Kingdom. 2. Which of the following describes a population of fish, crabs, and sharks that live in the same area? A) Ecosystem. B) Biome. C) Biosphere. D) Community. Show Answer Correct Answer: D) Community. 3. Most organisms cannot live in ..... temperature. A) Hot. B) Cold. C) Quite cold. D) Extream. Show Answer Correct Answer: D) Extream. 4. How much energy is transferred from one trophic level to the next A) 5%. B) 50%. C) 100%. D) 10%. Show Answer Correct Answer: D) 10%. 5. Includes the atmosphere, living organisms, and fossil fuel deposits A) Carbon cycle. B) Condensation. Show Answer Correct Answer: A) Carbon cycle. 6. Which one of these does not add CO2 to the atmosphere? A) Cooking with gas. B) Planting trees. C) Burning wood. D) Riding in a bus. Show Answer Correct Answer: B) Planting trees. 7. The rate at which the resource is used and the time it takes the resource to be replaced determines: A) If something is a natural resource. B) If something is renewable or nonrenewable. C) If something can burn. D) If something is made from once living things. Show Answer Correct Answer: B) If something is renewable or nonrenewable. 8. Which biomes would be found nearest to the equator? A) Tropical rain forests and savannas. B) Tundra and taiga. C) Tropical rain forests and taigas. D) Tundras and savannas. Show Answer Correct Answer: A) Tropical rain forests and savannas. 9. All food webs and food chains begin with ..... A) Primary consumer. B) Producers. C) Secondary consumers. D) Predators. Show Answer Correct Answer: B) Producers. 10. The conversion of Ammonia to Nitrite A) Nitrification. B) Denitrification. C) Nitrogen Fixation. D) None of above. Show Answer Correct Answer: A) Nitrification. 11. Plants need ..... for photosynthesis A) Oxygen. B) Soil. C) Carbon dioxide. D) Sugar. Show Answer Correct Answer: C) Carbon dioxide. 12. Which is the correct order of the levels of organization from simple to complex? A) Organism, population, community, ecosystem. B) Ecosystem, community, population, organism. Show Answer Correct Answer: A) Organism, population, community, ecosystem. 13. Ideally, an inventory of an ecosystem should be taken: A) Before a problem is suspected. B) As soon as a study is needed. C) When species may be in danger of extinction. D) None of above. Show Answer Correct Answer: A) Before a problem is suspected. 14. The study of how living things interact in an environment is called A) Ecosystem. B) Biology. C) Ecology. D) None of above. Show Answer Correct Answer: C) Ecology. 15. In terms of the food chain, what are autotrophs called? A) Primary consumers. B) Primary producers. C) Secondary consumers. D) Secondary Producers. Show Answer Correct Answer: B) Primary producers. 16. As distance between objects increases the pull of gravity ..... A) Increases. B) Decreases. C) Stays the same. D) None of above. Show Answer Correct Answer: B) Decreases. 17. The graph shows what type of growth pattern? A) Derivative. B) Logistic. C) Exponential. D) Natural. Show Answer Correct Answer: B) Logistic. 18. What is an autotroph? A) Can synthesize their own food. B) Are dependent on other organisms for their food. C) Decoposer. D) None of above. Show Answer Correct Answer: A) Can synthesize their own food. 19. A lion has pointed teeth to help it tear meat off of the bone. A) Behavioral Adaptation. B) Physical/Structural Adaptation. Show Answer Correct Answer: B) Physical/Structural Adaptation. 20. Nitrogen fixing bacteria A) Change nitrogen for use by animals and plants. B) Are in the air. C) Are created by lightening. D) Are poison to plants. Show Answer Correct Answer: A) Change nitrogen for use by animals and plants. ← 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