This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 53 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 53 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Tom has a bike. .....bike is new. A) Your. B) His. C) My. D) Her. Show Answer Correct Answer: B) His. 2. The highest form of communication is to kill the prey, that is, to feed on it A) Predatory. B) Parasitic. C) Do not swing. D) Symbiosis. E) Competition. Show Answer Correct Answer: A) Predatory. 3. What gas from the list below is a cause for global warming? A) Urethane. B) Oxygen. C) Carbon Dioxide. D) None of above. Show Answer Correct Answer: C) Carbon Dioxide. 4. What animal from the list below lives in the desert ecosystem? A) Penguin. B) Jellyfish. C) Jaguar. D) Rattlesnake. Show Answer Correct Answer: D) Rattlesnake. 5. Part of a cycle that holds an element or water for a long period of time is called a ..... The ocean is a ..... for water. A) Reservoir. B) Ecosystem. Show Answer Correct Answer: A) Reservoir. 6. An organism that consumes only other animals is also known as a what? A) Autotroph. B) Heterotroph. Show Answer Correct Answer: B) Heterotroph. 7. What happens during the process of nitrogen-fixation? A) Nitrogen compounds turn into atmospheric nitrogen. B) Nitrogen in atmosphere converted into nitrogen compounds. C) Nitrogen is consumed by plants. D) None of above. Show Answer Correct Answer: B) Nitrogen in atmosphere converted into nitrogen compounds. 8. What source of energy provides the majority of energy for the United States? A) Nuclear power. B) Natural gas. C) Coal. D) Petroleum. Show Answer Correct Answer: D) Petroleum. 9. How many species are there of animals, plants, and insects known to mankind that live in the rainforest? A) 10, 000, 000. B) Less than half. C) More than half. D) One fourth. Show Answer Correct Answer: C) More than half. 10. What is a climax community? A) A community that is constantly changing in species composition. B) A community that is in the early stages of development. C) A stable, mature community that undergoes little or no change in species over time. D) None of above. Show Answer Correct Answer: C) A stable, mature community that undergoes little or no change in species over time. 11. How many percent does the transfer of energy from an organism to another? A) 5 %. B) 10%. C) 15%. D) 20%. Show Answer Correct Answer: B) 10%. 12. What is symbiosis? A) Organisms that share physical characteristics and mate. B) Non-living things in an environment. C) A series of overlapping food chains. D) A close relationship between two or more different species. Show Answer Correct Answer: D) A close relationship between two or more different species. 13. The knife is very ..... You have to be careful. A) Good. B) Not sharp. C) Sad. D) Sharp. Show Answer Correct Answer: D) Sharp. 14. Ecosystem:definition A) A population & the abiotic factors that affect them. B) A population & the biotic factors that affect them. C) A community & the biotic factors that affect them. D) A community & the abiotic factors that affect them. Show Answer Correct Answer: D) A community & the abiotic factors that affect them. 15. The final stable community of plants and animals is called: A) Pioneer community. B) Farmland. C) Climax community. D) Old field. Show Answer Correct Answer: C) Climax community. 16. An elk eats grass. A grizzly bear eats the elk. This is an example of a simple linear ..... A) Pyramid of numbers. B) Succession. C) Food web. D) Food chain. Show Answer Correct Answer: D) Food chain. 17. Which is NOT caused by acid rain? A) Damage to statues. B) Dying fish. C) Spread of disease. D) Weakened trees. Show Answer Correct Answer: C) Spread of disease. 18. Which process contributes carbon dioxide to the atmosphere? A) Respiration. B) Photosynthesis. C) Tree farms. D) None of above. Show Answer Correct Answer: A) Respiration. 19. Which of the following is an example of competition? A) Two vultures fight over a dead rabbit. B) A bear eats a fish. C) Birds migrate south. D) Pet dog keeps a man company. Show Answer Correct Answer: A) Two vultures fight over a dead rabbit. 20. Word that means the same thing as consumer is ..... A) Producer. B) Autotroph. C) Carbohydrate. D) Heterotroph. Show Answer Correct Answer: D) Heterotroph. ← 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