This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 123 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 123 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A producer is a A) Carnivore. B) Animal. C) Green plant. D) Omnivore. Show Answer Correct Answer: C) Green plant. 2. What is ecosystem diversity ..... ? ..... A) Number of different species in the biosphere. B) Regional extinction. C) A species whose numbers are so small that the species is at risk of extinction. D) The variety of ecosystems that are present in the biosphere. Show Answer Correct Answer: D) The variety of ecosystems that are present in the biosphere. 3. Oxygen makes up most of Earth's atmosphere. A) True. B) False. Show Answer Correct Answer: B) False. 4. Oceans Humans are one of the main things that pollute the ocean. A) True. B) False. Show Answer Correct Answer: A) True. 5. A place where an organism lives that provides them food and shelter in order to survive. A) Population. B) Habitat. C) Ecosystem. D) Biotic. Show Answer Correct Answer: B) Habitat. 6. Abigail, Samuel, and Maya are studying the growth of plants in their school garden. They notice that some plants are not growing well. They realize that something is restricting the growth of these plants. This is known as a ..... A) Food shortage. B) Snow. C) Disease. D) Limiting factor. Show Answer Correct Answer: D) Limiting factor. 7. All the living (biotic) parts of an environment as well as the interactions among them A) True. B) False. Show Answer Correct Answer: B) False. 8. An organism's specific role in its habitat is called its A) Consumer. B) Niche. C) Birth right. D) Mutualism. Show Answer Correct Answer: B) Niche. 9. The 2 kingdoms that make up Prokaryotes are? A) Animals and Plants. B) Protists and Fungi. C) Archea and Bacteria. D) None of above. Show Answer Correct Answer: C) Archea and Bacteria. 10. The top trophic level on the energy pyramid A) Secondary consumer. B) Producer. C) Primary consumer. D) Tertiary consumer. Show Answer Correct Answer: D) Tertiary consumer. 11. Which organisms use energy from remains of dead animals and recycles nutrients back into the soil? A) Producers. B) Herbivores. C) Omnivores. D) Decomposers. Show Answer Correct Answer: D) Decomposers. 12. What ocean zone begins at the edge of the continental shelf and then extends outward into deeper water? A) Intertidal. B) Open ocean. C) Littoral. D) Neretic. Show Answer Correct Answer: B) Open ocean. 13. The series of changes that occurs in an area where the ecosystem has been disturbed, but where soil and organisms still exist A) Primary succession. B) Secondary succesion. C) Tertiary succession. D) Climax community. Show Answer Correct Answer: B) Secondary succesion. 14. Individuals tend to compete if they belong in the same ..... A) Niche. B) Trophic level. C) Community. D) Biome. E) Habitat. Show Answer Correct Answer: A) Niche. 15. Mushrooms are ..... A) Biotic. B) Abiotic. Show Answer Correct Answer: A) Biotic. 16. Which term defined:The interconnection of food chains A) Food chain. B) Food web. C) Trophic level. D) Ecological pyramid. Show Answer Correct Answer: B) Food web. 17. Omnivores are consumers that feed on ..... A) Producers only. B) Consumers only. C) Both producers and consumers. D) Dead organisms. Show Answer Correct Answer: C) Both producers and consumers. 18. Plants are producers and go through this to make their own food. A) Herbivore. B) Photosynthesis. C) Energy pyramid. D) Cellular respiration. Show Answer Correct Answer: B) Photosynthesis. 19. The term biotic means;- A) Not a robot or robotic. B) Living Things. C) Water based environments. D) Non-living things. Show Answer Correct Answer: B) Living Things. 20. These organisms that are introduced to an area they are not native to can hurt the native populations A) Invasive species. B) Foreign creatures. C) Exclusive species. D) Plague. Show Answer Correct Answer: A) Invasive species. ← 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