This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 252 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 252 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An organism that consumes producers (plants) for food is called a ..... A) Omnivore. B) Herbivore. C) Carnivore. D) Detrivorous. Show Answer Correct Answer: B) Herbivore. 2. Relationship where one organism lives on or inside another organism and harms it. A) Mutualism. B) Predation. C) Commensalism. D) Parasitism. Show Answer Correct Answer: D) Parasitism. 3. A factor or factors that can affect species distribution is/are ..... A) Predation. B) Disease. C) Competition. D) All of the above. Show Answer Correct Answer: D) All of the above. 4. The sun is A) Cold. B) Abiotic. C) Biotic. D) Consumer. Show Answer Correct Answer: B) Abiotic. 5. An animal that only feeds on plants is called A) Vegetarian. B) Herbivore. C) Carnivore. D) Vegan. Show Answer Correct Answer: B) Herbivore. 6. The smallest unit of ecological organizations is ..... A) Population. B) Community. C) Organism. D) Ecosystem. Show Answer Correct Answer: C) Organism. 7. This natural resource produces oxygen and removes carbon dioxide from the atmosphere. A) Air. B) Topsoil. C) Trees. D) Water. Show Answer Correct Answer: C) Trees. 8. Horse A) Abiotic. B) Biotic. Show Answer Correct Answer: B) Biotic. 9. A predator can be a prey to another animal A) True. B) False. Show Answer Correct Answer: A) True. 10. Something that can limit the growth of a population is known as A) Limiting factor. B) Biotic factor. C) Abiotic factor. D) Fear Factor. Show Answer Correct Answer: A) Limiting factor. 11. Commensalism is where A) Both organisms benefit. B) One benefits, the other is harmed. C) One benefits, the other doesn't benefit but isn't harmed. D) Neither benefit. Show Answer Correct Answer: C) One benefits, the other doesn't benefit but isn't harmed. 12. What is a living thing? A) An organism that can grow and reproduce. B) Any substance that is made by an organism. C) Something that an organism depends on in order to survive. D) All of the above. Show Answer Correct Answer: A) An organism that can grow and reproduce. 13. A group of organisms that can produce offspring ..... A) Commensalism. B) Consumer. C) Species. D) None of above. Show Answer Correct Answer: C) Species. 14. An organism where one organism benefits and another is harmed A) Commensalism. B) Parasitism. C) Mutualism. D) Competition. Show Answer Correct Answer: B) Parasitism. 15. Series of changes were no soil or organisms exist A) Primary succession. B) Secondary succession. Show Answer Correct Answer: A) Primary succession. 16. Do decomposers need energy to live? A) Yes. B) No. Show Answer Correct Answer: A) Yes. 17. The ability of a liquid to flow through a substance is: A) Porosity. B) Permeability. Show Answer Correct Answer: B) Permeability. 18. This type of VARIABLE is kept the SAME for both experimental and Control Groups A) Independent. B) Dependent. C) Control (Constant). D) Inference. Show Answer Correct Answer: C) Control (Constant). 19. Everywhere on earth where life exist. A) Biosphere. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: A) Biosphere. 20. Why is reducing your carbon footprint so important? A) Carbon dioxide is the main cause of global warming. B) Carbon dioxide helps grow forests and grasslands. C) The atmosphere will cool with too little carbon dioxide. D) Sea levels will drop with too much carbon dioxide. Show Answer Correct Answer: A) Carbon dioxide is the main cause of global warming. ← 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