This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 210 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 210 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Together, all the ecosystems on Earth form ..... A) A community. B) A biome. C) A biosphere. D) An Earthsphere. Show Answer Correct Answer: C) A biosphere. 2. There are 3 roles an organism can play in an ecosystem are: A) Producer, consumer, decomposer. B) Herbivore, carnivore, omnivore. C) Producer, director, actor. D) Predator, prey, scavenger. Show Answer Correct Answer: A) Producer, consumer, decomposer. 3. Most animals have ..... for food, water, and living space. A) Competition. B) Fun. C) Predation. D) Commensalism. Show Answer Correct Answer: A) Competition. 4. The grasses at the beginning of this food chain are the A) Producers. B) Decomposers. C) Consumers. D) Apex predators. Show Answer Correct Answer: A) Producers. 5. In an ecosystem, which one of the following types of entities occupies more than one trophic level? A) Frog. B) Phytoplankton. C) Zooplankton. D) Fish. Show Answer Correct Answer: D) Fish. 6. Abiotic factors are: A) Living factors that affect communities. B) A range of experimental methods. C) A measure of the variety of all the different species within a particular ecosystem. D) Non living factors that affect living organisms. Show Answer Correct Answer: D) Non living factors that affect living organisms. 7. Which one is another name for a consumer? A) Homologous. B) Sun. C) Heterotroph. D) Autotroph. Show Answer Correct Answer: C) Heterotroph. 8. Which of the following includes a community of living things interacting with the nonliving parts of their environment? A) Individual. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 9. Measurement of population per unit area or unit volume A) Size. B) Density. C) Dispersion. D) None of above. Show Answer Correct Answer: B) Density. 10. The chemical elements and water that are needed by organisms continuously recycle in ecosystems. They pass through biotic and abiotic components of the biosphere. A) Exchange pool. B) Biogeochemical cycle?. Show Answer Correct Answer: B) Biogeochemical cycle?. 11. A community interacting with their abiotic factors A) Organism. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 12. Consumers that eat both plants and animals are called A) Carnivore. B) Herbivore. C) Producer. D) Omnivore. Show Answer Correct Answer: D) Omnivore. 13. What are spieces A) One type of organism. B) Multiple people. C) To habitat. D) A squirrel. Show Answer Correct Answer: A) One type of organism. 14. In which type of symbiotic relationship does one species benefit while the other species is harmed? A) Commensalism. B) Parasitism. C) Mutualism. D) Predation. Show Answer Correct Answer: B) Parasitism. 15. When a flea is living on a dog, the flea is the: A) Host. B) Prey. C) Predator/Parasite. D) None of above. Show Answer Correct Answer: C) Predator/Parasite. 16. Which of the following types of succession would most likely occur after a forest fire? A) Primary Succession. B) Old field succession. C) Secondary Succession. D) Climax Succession. Show Answer Correct Answer: C) Secondary Succession. 17. ..... break down dead plants and animals. A) Producers. B) Consumers. C) Decomposers. D) None of above. Show Answer Correct Answer: C) Decomposers. 18. Arjun, Olivia, and Isla went on a field trip to a forest. They observed various elements in the forest. According to you, what did they observe that can be classified as biotic factors? A) Animals they saw like deer and birds. B) All the living things they saw in the ecosystem, like plants, animals, and insects. C) The sunlight filtering through the trees. D) The plants they saw like trees and ferns. Show Answer Correct Answer: B) All the living things they saw in the ecosystem, like plants, animals, and insects. 19. The zone that receives the highest amount of sunlight is the: A) Twilight Zone. B) Benthic Zone. C) Aphotic Zone. D) Photic Zone. Show Answer Correct Answer: D) Photic Zone. 20. Which biome is very warm with large amounts of rainfall but can go through dry spells? A) Temperate deciduous rainforest. B) Tropical rainforest. C) Coniferous rainforest. D) Grasslands. Show Answer Correct Answer: B) Tropical rainforest. ← 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