This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 193 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 193 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A part of the environment that prevents a population from growing to large is a/n ..... A) Abiotic factor. B) Biotic factor. C) Limiting factor. D) None of above. Show Answer Correct Answer: C) Limiting factor. 2. In a food web that contains bacteria, what is the usual function of this organism? A) Nutrient production. B) Food source for primary consumers. C) Decomposition of organic material. D) To make the organisms sick. Show Answer Correct Answer: C) Decomposition of organic material. 3. What is the name of the green pigment in plants that absorbs sunlight for photosynthesis? A) Borophyll. B) Heterotroph. C) Chlorophyll. D) Autotroph. Show Answer Correct Answer: C) Chlorophyll. 4. What is another name for producer? A) Consumer. B) Herbivore. C) Autotroph. D) Lichen. Show Answer Correct Answer: C) Autotroph. 5. Is this animal died A) Why. B) How. C) Yes. D) No. Show Answer Correct Answer: D) No. 6. Which of the following is the smallest level of organization? A) Biosphere. B) Biome. C) Species. D) Population. Show Answer Correct Answer: C) Species. 7. A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit. A) Mutualism. B) Parasitism. C) Commensalism. D) None of above. Show Answer Correct Answer: A) Mutualism. 8. True or False:Runoff is water that is absorbed by the ground. A) True. B) False. Show Answer Correct Answer: B) False. 9. Which kind of fossil fuel formed in swamps from once living plants? A) Oil. B) Natural gas. C) Petroleum. D) Coal. Show Answer Correct Answer: D) Coal. 10. (Birth + Immigration)-(Death + Emigration) = A) Logistic. B) The developmental quotient. C) Exponential. D) Population size. Show Answer Correct Answer: D) Population size. 11. Temperature, light, air, water, and soil are all ..... or non-living parts of the environment A) Alive. B) Biotic. C) Abiotic. D) Living. Show Answer Correct Answer: C) Abiotic. 12. Decomposers help to ..... A) Create music. B) Find food. C) Break down decaying matter. D) The Sun. Show Answer Correct Answer: C) Break down decaying matter. 13. Which of the following is NOT a herbivore A) Antelope. B) Zebra. C) Lion. D) None of above. Show Answer Correct Answer: C) Lion. 14. What is the source of all energy? A) Producers. B) Sun. C) Consumers. D) Decomposers. Show Answer Correct Answer: B) Sun. 15. A lion eats a gazelle except horns, hooves, and hair. Lion spends energy getting to the gazelle's food parts. A) Example of energy transfer. B) Example of biomass. C) Example of trophic level. D) None of above. Show Answer Correct Answer: A) Example of energy transfer. 16. What do the arrows in a food chain/web represent? A) What eats what. B) The flow of energy. C) That plants produce their own food. D) How the carnivores eat meat. Show Answer Correct Answer: B) The flow of energy. 17. Building proteins and DNA is the reason organisms need what substance? A) Water. B) Carbon. C) Nitrogen. D) Calcium. Show Answer Correct Answer: C) Nitrogen. 18. Earth cools. Cooler temps make more snow. Snow reflects light, preventing heating. Earth gets cooler. More snow falls and reflects more light. This is an example of: A) Validity. B) Greenhouse effect. C) Negative feedback. D) Carrying capacity. E) Positive feedback. Show Answer Correct Answer: E) Positive feedback. 19. Which term define:The transfer of food energy from primary producer through primary consumer to carnivores and finally to decomposer A) Food chain. B) Food web. C) Trophic level. D) Ecological pyramid. Show Answer Correct Answer: A) Food chain. 20. A bird eating ticks off of a cows back A) Mutualism. B) Commensalism. C) Parasitism. D) Vaderism. Show Answer Correct Answer: A) Mutualism. ← 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