This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 103 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 103 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An organism that gets its energy from the remains of dead organisms A) Detrivorous. B) Omnivore. C) Herbivore. D) Carnivore. Show Answer Correct Answer: A) Detrivorous. 2. What type of organism eats both plants and meat? A) Herbivore. B) Carnivore. C) Omnivore. D) We were. Show Answer Correct Answer: C) Omnivore. 3. What type of interaction occurs when beech and maple trees are in the same forest? A) Cooperation. B) Competition. C) Cohabitance. D) None of above. Show Answer Correct Answer: B) Competition. 4. Which is a BIOTIC factor in an ecosystem? A) Soil. B) Water. C) Sunlight. D) Grass. Show Answer Correct Answer: D) Grass. 5. Because nitrogen is required for growth, it is considered an essential ..... A) Nitrate. B) Nutrient. C) Organism. D) Cell. Show Answer Correct Answer: B) Nutrient. 6. What is a tertiary consumer example? A) Sharks. B) Grass. C) Rabbits. D) Mice. Show Answer Correct Answer: A) Sharks. 7. This is the part of the Earth that supports life A) Lithosphere. B) Hydrosphere. C) Biosphere. D) Geosphere. Show Answer Correct Answer: C) Biosphere. 8. What is the science that studies the relationship of organisms in an environment? A) Ecology. B) Biology. C) Chemistry. D) Physics. Show Answer Correct Answer: A) Ecology. 9. The repeated movement of water between the Earth's surface and atmosphere is called the A) Water cycle. B) Carbon cycle. C) Lymph cycle. D) Cyclocross. Show Answer Correct Answer: A) Water cycle. 10. How nitrogen is "fixed" into useable form for plants A) Only through action of bacteria. B) Only through lightning. C) Through action of bacteria & lightning. D) Through photosynthesis. Show Answer Correct Answer: C) Through action of bacteria & lightning. 11. What do you call an animal that eats both plants and animals? A) Vegetarian. B) Herbivore. C) Omnivore. D) Carnivore. Show Answer Correct Answer: C) Omnivore. 12. Energy from the sun is known as ..... A) Hydroelectric energy. B) Geothermal energy. C) Solar energy. D) Wind energy. Show Answer Correct Answer: C) Solar energy. 13. Which human activity is correctly paired with its likely future consequence? A) Overfishing in the Atlantic-increase in supply of flounder and salmon as food for people. B) Development of electric cars or hybrid vehicles-increased rate of global warming. C) Use of fossil fuels-depletion of fossil-fuel based resources and increased CO2 in atmosphere. D) Genetically engineering animals-less food available to feed the world's population. Show Answer Correct Answer: C) Use of fossil fuels-depletion of fossil-fuel based resources and increased CO2 in atmosphere. 14. Lions and tigers are ..... A) Herbivores. B) Carnivores. C) Omnivores. D) None of above. Show Answer Correct Answer: B) Carnivores. 15. Energy ..... as you go up the energy pyramid A) Decreases. B) Increases. Show Answer Correct Answer: A) Decreases. 16. Sharks are hunted for their fins for use in shark fin soup, a specialty food item in Asia. Sharks grow slowly and take years to reproduce, which makes them vulnerable to overfishing. If overfishing of sharks is not reduced, sharks may become endangered in the next few years. What would occur to the Pacific Ocean fish population if their natural predator, sharks, are overfished? A) Overpopulation. B) Extinction. C) Migration. D) Adaptation. Show Answer Correct Answer: A) Overpopulation. 17. A line transect is used: A) To identify the number of species. B) To avoid bias when looking at data. C) To estimate the number of species in an area. D) To identify the distribution of species between two points of interest, such as between a foot path and some woods. Show Answer Correct Answer: D) To identify the distribution of species between two points of interest, such as between a foot path and some woods. 18. An organism that gets it's energy from eating other organisms is a ..... A) Producer. B) Decoposer. C) Consumer. D) None of above. Show Answer Correct Answer: C) Consumer. 19. Name the phenomenon because of which the earth's atmospheric temperature is increasing? A) A) Greenhouse effect. B) B) Bluehouse effect. C) C )Redhouse effect. D) None of above. Show Answer Correct Answer: A) A) Greenhouse effect. 20. Which of the following would NOT be an example of a density independent factor? A) Predation. B) Tornado. C) Hurricane. D) Fire. Show Answer Correct Answer: A) Predation. ← PreviousNext →Related QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9Ecology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books