This quiz works best with JavaScript enabled. Home > Ecology Environment > Ecology And Environment – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology And Environment Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following defines habitat? A) An area with only abiotic factors. B) A large area of land that is known for its climate and organisms. C) A small area within a habitat with food water and shelter for organisms to live. D) An area that provides shelter and food for organisms and can contain many microhabitats. Show Answer Correct Answer: D) An area that provides shelter and food for organisms and can contain many microhabitats. 2. Which one of these is abiotic? A) A black bear. B) Cotton. C) A mushroom. D) Gold. Show Answer Correct Answer: D) Gold. 3. The number of white-tailed deer in certain areas of Long Island New York has increased significantly. Introducing which organism would best help stabilize the deer population on Long Island? A) Bacteria. B) Coyote. C) Moose. D) Another species of deer. Show Answer Correct Answer: B) Coyote. 4. A period with no rain A) Famine. B) Landslide. C) Drought. D) Flood. Show Answer Correct Answer: C) Drought. 5. Series of steps in which organisms transfer energy by eating and being eaten A) Foodweb. B) Consumer. C) Food chain. D) Omnivore. Show Answer Correct Answer: C) Food chain. 6. A coral reef and the organisms that live in it form A) A habitat. B) A community. C) A population. D) An ecosystem. Show Answer Correct Answer: D) An ecosystem. 7. An underground layer of rock or sediment that holds water A) Watershed. B) Groundwater. C) Permeability. D) Aquifer. Show Answer Correct Answer: D) Aquifer. 8. The groups of plants and animals that interact within an ecosystem A) Organism. B) Population. C) Biosphere. D) Community. Show Answer Correct Answer: D) Community. 9. Which limiting factor is independent of the number of individuals in a population? A) Competition. B) Parasitism/disease. C) Stress. D) Natural disasters. Show Answer Correct Answer: D) Natural disasters. 10. As you move up from one trophic level to another, why is only 10% of energy from the previous level passed on? A) Producers get 100% of the energy. B) It's lost as heat and to perform life functions. C) Primary consumers keep misplacing the rest. D) None of these. Show Answer Correct Answer: B) It's lost as heat and to perform life functions. 11. Which of the following leads to a decrease in biodiversity? A) Protection of ecosystems. B) Pollution control. C) Selective cutting. D) Introduction of exotic or invasive species. Show Answer Correct Answer: D) Introduction of exotic or invasive species. 12. Found in extreme places, such as hot springs A) Archaea. B) Bacteria. C) Eukarya. D) None of above. Show Answer Correct Answer: A) Archaea. 13. When a certain population becomes so dense that it harms or changes the quality of life in that environment, we have ..... A) A population. B) Overpopulation. C) Pollution. D) None of above. Show Answer Correct Answer: B) Overpopulation. 14. Carbon dioxide in the atmosphere enters the biotic parts of the biosphere through ..... A) Respiration. B) Photosynthesis. C) Decomposition. D) Fossil fuels. Show Answer Correct Answer: B) Photosynthesis. 15. AREAS THAT ARE UNDER INFLUENCE OF DDT MAY OBSERVE A DECLINE IN BIRD'S POPULATION WHICH IS DUE TO A) BIRDS STOP LAYING EGGS. B) EEG DID NOT HATCH. C) PREDATION OF EGGS INCREASED. D) NONE OF THE ABOVE. Show Answer Correct Answer: B) EEG DID NOT HATCH. 16. Animal that eats only producers. A) Herbivore. B) Omnivore. C) Carnivore. D) Velicoraptivore. Show Answer Correct Answer: A) Herbivore. 17. What factor describes when populations decrease because animals are moving out of a population? A) Emigration. B) Limiting Factors. C) Immigration. D) Exponential Growth. Show Answer Correct Answer: A) Emigration. 18. Another name for a consumer is a A) Heterotroph. B) Autotroph. C) Producer. D) Plant. Show Answer Correct Answer: A) Heterotroph. 19. Which of the following interactions is an example of symbiosis? A) An insect acts as a pollinator for a plant species. B) A population of hummingbirds migrates during the summer. C) A tropical bird performs a courtship dance for a mate. D) A mother bear feeds and protects her cubs. Show Answer Correct Answer: A) An insect acts as a pollinator for a plant species. 20. Where an organism lives A) Habitat. B) Niche. C) Heterotrogh. D) Biosphere. Show Answer Correct Answer: A) Habitat. ← PreviousNext →Related QuizzesEcology And Environment Quiz 1Ecology 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 9Ecology And Environment Quiz 10Ecology And Environment Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books