This quiz works best with JavaScript enabled. Home > Ecology Environment > Studies > Ecology And Environment – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology And Environment Quiz 24 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A group of organisms that can mate to produce fertile offspring. A) Organism. B) Species. C) Population. D) Community. Show Answer Correct Answer: B) Species. 2. Which sector uses the most water? A) Agriculture. B) Industry. C) Household. D) None of above. Show Answer Correct Answer: A) Agriculture. 3. Overpopulation occurs when a population exceeds its carrying capacity. White-tailed deer are considered to be an overpopulated species in the central United States. What is one consequence of white-tailed deer exceeding their carrying capacity? A) People don't see deer as often in urban areas. B) The deer are less healthy and more prone to disease. C) There are more predators to eat the deer. D) The deer have stopped breeding. Show Answer Correct Answer: B) The deer are less healthy and more prone to disease. 4. Over the past 200 years, the level of carbon dioxide in the atmosphere has A) Increased steadily. B) Increased, but recently decreased. C) Decreased steadily. D) Shown no change. Show Answer Correct Answer: A) Increased steadily. 5. Example of a decomposer A) Fungus. B) Mouse. C) Plants. D) Frogs. Show Answer Correct Answer: A) Fungus. 6. Under which of the following conditions would the global population decrease? A) Birthrate = death rate. B) Birthrate > death rate. C) Death rate > birthrate. D) None of above. Show Answer Correct Answer: C) Death rate > birthrate. 7. I think renewable energy is the answer to many environmental problems. Student B: ..... A) I couldn't agree more. B) It's up to you. C) That's very kind of you. D) That would be interesting. Show Answer Correct Answer: A) I couldn't agree more. 8. In the relationship between a lion and a zebra, the lion is considered what? A) Prey. B) Predator. C) Herbivore. D) Autotroph. Show Answer Correct Answer: B) Predator. 9. Which is NOT shown on a population pyramid? A) Age. B) Sex (male/female). C) Ethnicity. D) None of above. Show Answer Correct Answer: C) Ethnicity. 10. Water lilies do not grow in desert sand because water availability to these plants in a desert is A) A limiting factor. B) A competition factor. C) The logistic growth curve. D) The carrying capacity. Show Answer Correct Answer: A) A limiting factor. 11. Raccoons eat aquatic animals. If chemicals entered the lake with rain water and destroyed the plants, how would this impact the raccoon population? A) Raccoonswould have more aquatic animals to eat. B) Raccoonswould begin eating land plants. C) Raccoonswould have less aquatic animals to eat. D) Raccoons would only drink water. Show Answer Correct Answer: C) Raccoonswould have less aquatic animals to eat. 12. Choose the complete and logical food chain. A) Sun-plant-rabbit-eagle. B) Deer-squirrel-plant-sun. C) Sun-deer-plant-eagle. D) Eagle-squirrel-rabbit-plant-eagle. Show Answer Correct Answer: A) Sun-plant-rabbit-eagle. 13. If an animal is nearly extinct, it is ..... A) In danger. B) Endangered. C) Exotic. D) Extinct. Show Answer Correct Answer: B) Endangered. 14. Silverfish live and hunt with army ants. They share the prey. They neither help nor harm the ants. A) Mutualism. B) Parasitism. C) Commensalism. D) None of above. Show Answer Correct Answer: C) Commensalism. 15. The process by which the scientific community examines a paper before its publication is called A) Peer review. B) Partner share. C) Fact checking. D) Good reporting. Show Answer Correct Answer: A) Peer review. 16. The process of recovering valuable or useful materials from waste is called A) Recycling. B) Renewing. C) Rebuilding. D) Reducing. Show Answer Correct Answer: A) Recycling. 17. A tree is a ..... A) Composer. B) Decomposer. C) Producer. D) None of above. Show Answer Correct Answer: C) Producer. 18. An organism that produces its own food supply from inorganic compounds is called a(an) A) Heterotroph. B) Consumer. C) Detritivore. D) Autotroph. Show Answer Correct Answer: D) Autotroph. 19. An organism that eats the primary consumer. A) Primary Consumer. B) Secondary Consumer. C) Tertiary Consumer. D) Producer. Show Answer Correct Answer: B) Secondary Consumer. 20. Which soil horizon contains the most humus? A) Topsoil. B) Subsoil. C) Parent material. D) Bedrock. Show Answer Correct Answer: A) Topsoil. ← PreviousNext →Related QuizzesEcology Environment QuizzesEcology And Environment Quiz 1Ecology And Environment Quiz 2Ecology And Environment Quiz 3Ecology And Environment Quiz 4Ecology And Environment Quiz 5Ecology And Environment Quiz 6Ecology And Environment Quiz 7Ecology And Environment Quiz 8Ecology And Environment Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books