This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 29 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Match:organic ..... A) Layer. B) Waste. C) Rubbish. D) Food. Show Answer Correct Answer: D) Food. 2. How do animals get the energy they need to survive? A) They use sunlight. B) They drink water. C) They drink water and juice. D) They eat plants or other animals. Show Answer Correct Answer: D) They eat plants or other animals. 3. In the energy pyramid, an organism that eats the secondary consumer is called A) Producer. B) Primary consumer. C) Tertiary consumer. D) Sun. Show Answer Correct Answer: C) Tertiary consumer. 4. A parrot eats fruit, seeds, and insects. Which of the following terms best describes a parrot? A) Herbivore. B) Carnivore. C) Producer. D) Omnivore. Show Answer Correct Answer: D) Omnivore. 5. Which variable do scientists use to divide the open ocean into two zones? A) Salinity. B) Latitude. C) Depth. D) Oxygen. Show Answer Correct Answer: C) Depth. 6. How would the rabbit population be affected if land was cleared to build a housing development? A) The rabbit population would increase. B) The rabbit population would decrease. C) The rabbit population would remain stable. D) The rabbit population would rise temporarily, then fall. Show Answer Correct Answer: B) The rabbit population would decrease. 7. An ecosystem thrives with biotic and abiotic components. An example of an abiotic part of an ecosystem is ..... A) Bacteria. B) Fungus. C) Water. D) Decaying plants. Show Answer Correct Answer: C) Water. 8. What source of energy evaporates the most water from Earth's surface? A) Volcanoes. B) The sun. C) Lightning. D) Wind. Show Answer Correct Answer: B) The sun. 9. Which of the following is TRUE of predator/prey relationships? A) The amount of prey does not affect the number of predators. B) Herbivores are limited by the number of prey in an ecosystem. C) Humans are not considered predators. D) The number of predators is determined by available prey. Show Answer Correct Answer: D) The number of predators is determined by available prey. 10. The islands of Hawaii were formed by A) Primary succession. B) Secondary succession. Show Answer Correct Answer: A) Primary succession. 11. How long will the glass bottle decompose? A) 125years. B) 500years. C) 2500years. D) 4000years. Show Answer Correct Answer: D) 4000years. 12. What is the fourth level of a food chain? A) Producer. B) Primary consumer. C) Secondary consumer. D) Tertiary consumer. Show Answer Correct Answer: D) Tertiary consumer. 13. What is the difference between commensalism and parasitism? A) Both animals benefit from a relationship. B) Commensalism is when one animal is unharmed and parasitism is when one animal IS harmed. C) The difference in commensalism is it involves four animals that benefit and two that are unharmed. D) None of above. Show Answer Correct Answer: B) Commensalism is when one animal is unharmed and parasitism is when one animal IS harmed. 14. These organisms return nutrients to the soil by consuming wastes and dead organisms A) Decomposers. B) Producers. C) Consumers. D) Omnivore. Show Answer Correct Answer: A) Decomposers. 15. Members of the same species living in a defined area A) Ecosystem. B) Community. C) Biodiversity. D) Population. Show Answer Correct Answer: D) Population. 16. Limiting factor that relies on the number of organisms in a given area A) Density-dependent. B) Density-independent. C) Biotic potential. D) Carrying capacity. Show Answer Correct Answer: A) Density-dependent. 17. All the non-living things in an environment A) Biotic. B) Biome. C) Abiotic. D) Biosphere. Show Answer Correct Answer: C) Abiotic. 18. In a food web below: A) All the energy contained within the organisms in the web comes from the sun. B) The hawk is not the top predator. C) Energy is not transferred from organism to organism in this food web. D) Rabbit is primary producer. Show Answer Correct Answer: A) All the energy contained within the organisms in the web comes from the sun. 19. The approximate amount of energy that is transferred between each trophic level is: A) 10%. B) 0.1%. C) 90%. D) It totally depends on the ecosystem. Show Answer Correct Answer: A) 10%. 20. Occurs when 2 or more organism use the same resource A) Competition. B) Mutualism. C) Commensalism. D) Parasitism. Show Answer Correct Answer: A) Competition. ← 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