This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 63 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 63 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. This is the formula for which process? 6H2O + 6CO2 $\rightarrow$ C6H12O6 + 6O2 A) Photosynthesis. B) Glycolysis. C) Cellular Respiration. D) Acidification. Show Answer Correct Answer: A) Photosynthesis. 2. What is common between the process of respiration and the process of burning fuel is that in both A) .There is a constant need for oxygen for the process to occur. B) Methane is released. C) Ignition is needed. D) It produces energy from organic compounds. Show Answer Correct Answer: A) .There is a constant need for oxygen for the process to occur. 3. When an organism dies, the nitrogen in its body A) Can never be reused by other living things. B) Is immediately released into the atmosphere. C) Is released by the action of decomposers. D) None of the above. Show Answer Correct Answer: C) Is released by the action of decomposers. 4. Decomposers ..... A) Recycle nutrients in the ecosystem. B) Provide most of the Earth's energy. C) Can be considered producers because they grow in the ground. D) Are mostly Abiotic. Show Answer Correct Answer: A) Recycle nutrients in the ecosystem. 5. The temperate decisuous forest, the tropical rain forest, the desert, and the tundra are all examples of ..... A) The biopshere. B) Biomes. C) Ecosystems. D) Communities. Show Answer Correct Answer: B) Biomes. 6. Which of the following is an example of a limiting factor? A) TEMPERATURE. B) AMOUNT OF FOOD. C) DISEASE. D) ALL THE ABOVE. Show Answer Correct Answer: D) ALL THE ABOVE. 7. Which is NOT an autotroph A) Tree. B) Plant. C) Mushroom. D) None of above. Show Answer Correct Answer: C) Mushroom. 8. This is a geographic area where plants, animals, and other organisms work together to form a bubble of life. A) Ecosystem. B) Biotic. C) Landfill. D) None of above. Show Answer Correct Answer: A) Ecosystem. 9. Which biome is characterized by well defined seasons and trees that lose their leaves in their winter? A) Deciduous forests. B) Taiga. C) Tropical rainforests. D) Savannah. E) Tundra. Show Answer Correct Answer: A) Deciduous forests. 10. Keystone species is A) A species that lives at the Keystone ski resort in Colorado. B) A species that, if removed will cause a trophic cascade and disrupt the ecosystem. C) A species that saves the environment. D) None of above. Show Answer Correct Answer: B) A species that, if removed will cause a trophic cascade and disrupt the ecosystem. 11. What do we call a type of consumer that only eats the remains of dead organisms? A) Consumer. B) Third level consumer. C) Scavenger. D) Omnivore. Show Answer Correct Answer: C) Scavenger. 12. What is the most widely used renewable source of electricity in the US today? A) Hydroelectric. B) Solar. C) Biomass fuels. D) Tidal power. Show Answer Correct Answer: A) Hydroelectric. 13. All the individuals of the same species in a certain area are termed a(n) A) Species. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: B) Population. 14. Kai, Lily, and Abigail are studying different levels of ecological organization. They came across the terms Individual, Population, Ecosystem, and Niche. They are confused about which one is not a hierarchy of ecological organization. Can you help them? A) Individual. B) Population. C) Ecosystem. D) Niche. Show Answer Correct Answer: D) Niche. 15. Which of the following best describes a community? A) Sharks, groupers, anemones and shrimp on a coral reef. B) Decorator crabs on the seafloor. C) Loggerhead sea turtles in Atlantic. D) Prairie grassland in Wyoming. Show Answer Correct Answer: A) Sharks, groupers, anemones and shrimp on a coral reef. 16. States that two different species cannot occupy the same niche in the same place for very long A) Competitive exclusion principle. B) Biotic factor. Show Answer Correct Answer: A) Competitive exclusion principle. 17. An organism that breaks down dead material A) Producer. B) Consumer. C) Decoposer. D) None of above. Show Answer Correct Answer: C) Decoposer. 18. What type of organism can make its own food? A) A producer. B) A decomposer. C) All of the above. D) A consumer. Show Answer Correct Answer: A) A producer. 19. In an energy pyramid, which part of the food chain has the largest population? A) Primary consumer. B) Tertiary consumer. C) Producer. D) None of above. Show Answer Correct Answer: C) Producer. 20. Primary consumer, Secondary Consumers, and Tertiary consumers are classified as what? A) Autotrophs. B) Heterotrophs. C) Producers. D) None of above. Show Answer Correct Answer: B) Heterotrophs. ← 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