This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 16 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An organism that obtains energy by feeding on other organisms is called a A) Consumer. B) Producer. C) Decoposer. D) Witchcraft. Show Answer Correct Answer: A) Consumer. 2. A group of populations of different species that live in the same ecosystem and interact between each oher form ..... A) Community. B) Population. C) Biome. D) Society. Show Answer Correct Answer: A) Community. 3. Which of the following does NOT promote ecosystem stability? A) Ecosystems maintain a low biodiversity. B) Ecosystems use sunlight as their source of energy. C) Ecosystems are able to respond to environmental changes. D) Ecosystems replenish nutrients by recycling all elements. Show Answer Correct Answer: A) Ecosystems maintain a low biodiversity. 4. Which ecosystem is the most resistant to permanent change? A) Limited organisms in confined areas. B) Few organisms in a large region. C) Diverse organisms in a large region. D) None of above. Show Answer Correct Answer: C) Diverse organisms in a large region. 5. Choose the right meaning:look after A) To recycle. B) Maintain. C) To save. D) None of above. Show Answer Correct Answer: B) Maintain. 6. Which type of trees is found in a temperate forest? A) Deciduous. B) Evergreen. C) Ginkgo. D) Palm. Show Answer Correct Answer: A) Deciduous. 7. The members of the same species Microtus pennsylvanicus (field mice) living in a certain location make up a ..... ? A) Succession. B) Phylum. C) Community. D) Population. Show Answer Correct Answer: D) Population. 8. Which of these organisms can have a role of the producers? A) Mammals. B) Algae. C) Worms. D) Insects. Show Answer Correct Answer: B) Algae. 9. The slowest of the biogeochemical cyles that is only geological and does not include the atmosphere A) Nitrogen Cycle. B) Phosphorous Cycle. C) Carbon Cycle. D) Water Cycle. Show Answer Correct Answer: B) Phosphorous Cycle. 10. What type of symbiosis? * The Red-Chested cuckoo birds find an unattended robin nest, push out the robin eggs, and lay their eggs in the robin's nest, and leave. * Robin babies die and robin parents feed and take care of the cuckoo babies. A) Commensalism. B) Mutualism. C) Parasitism. D) Predation. Show Answer Correct Answer: D) Predation. 11. Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. A) Commensalism. B) Parasitism. C) Mutualism. D) None of above. Show Answer Correct Answer: C) Mutualism. 12. Which of these is NOT an environmental issue? A) Pollution. B) Oil Spills. C) Space Exploration. D) Over Population. Show Answer Correct Answer: C) Space Exploration. 13. How much energy is available to be passed on to the next trophic level in an ecosystem? A) 100%. B) 10%. C) 50%. D) 75%. Show Answer Correct Answer: B) 10%. 14. This biome is characterized by the mixing of salt water and freshwater and has animals such as crabs, starfish and belugas whales A) Coral reef. B) Deep ocean. C) Beach. D) Estuary. Show Answer Correct Answer: D) Estuary. 15. What are limiting factors A) An environmental factor that causes a population to increase. B) An environmental factor that causes a population to decrease. C) An environmental factor that causes animals to die. D) An environmental factor that occurs only in mars. Show Answer Correct Answer: B) An environmental factor that causes a population to decrease. 16. ..... ! Listen to the teacher. A) Be quiet!. B) Talk. C) Sing. D) Wait. Show Answer Correct Answer: A) Be quiet!. 17. In the exponential model of population growth, where dN/dt = rN, what is occurring to the population at the following r values?r<0 A) Population is declining. B) Population is growing. C) No population growth. D) None of above. Show Answer Correct Answer: A) Population is declining. 18. Which biome is a treeless biome in the far north with harsh, cold winters and extremely short summers A) Tundra. B) Desert. C) Temperate deciduous forest. D) Tropical rain forest. Show Answer Correct Answer: A) Tundra. 19. Deforestation causes an increase in atmospheric carbon dioxide A) True. B) False. Show Answer Correct Answer: A) True. 20. Biomass increases at the upper levels of a food chain. A) True. B) False. Show Answer Correct Answer: B) False. ← 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