This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 108 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 108 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which level of organization is the most complex? A) Organism. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 2. Make their own food A) Producers. B) Consumers. C) Decomposers. D) None of above. Show Answer Correct Answer: A) Producers. 3. Extinct-extinct to run out of-end A) Right. B) Wrong. C) Partially correct. D) None of above. Show Answer Correct Answer: A) Right. 4. A gas produced by plants during photosynthesis that animals use for respiration. A) Oxygen. B) Carbon Dioxide. C) Methane. D) Sulphur. Show Answer Correct Answer: A) Oxygen. 5. Which is NOT a detrivore A) Vulture. B) Meerkat. C) Crab. D) None of above. Show Answer Correct Answer: B) Meerkat. 6. A group of species that live in the same area is a ..... A) Population. B) Ecosystem. C) Community. D) Biome. Show Answer Correct Answer: A) Population. 7. Which type of consumer comes first in a food chain, food web, or energy pyramid? A) Primary Consumer. B) Secondary Consumer. C) Tertiary Consumer. D) Producer. Show Answer Correct Answer: A) Primary Consumer. 8. The ways living organisms interact is called: A) Denaturing. B) Competition. C) Predator-Prey relationships. D) Interdependence. Show Answer Correct Answer: A) Denaturing. 9. Which of the following includes organisms interacting with their environment (abiotic factors)? A) Individual. B) Community. C) Ecosystem. D) Biome. Show Answer Correct Answer: C) Ecosystem. 10. Which organisms recycle carbon in decaying matter back into atmospheric carbon dioxide? A) Fish. B) Fungi. C) Plants. D) Animals. Show Answer Correct Answer: B) Fungi. 11. The organisms in a community, as well as all of the nonliving aspects of the environment are a(n): A) Population. B) Community. C) Habitat. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 12. Random sampling is used: A) To identify the number of species. B) To avoid bias when looking at data. C) To estimate the number of species in an area. D) To identify the distribution of species between two points of interest, such as between a foot path and some woods. Show Answer Correct Answer: C) To estimate the number of species in an area. 13. A relationship between two organisms where one organism benefits and the other organism is not benefited or harmed is known as ..... A) A Competition Relationship. B) Mutualism. C) A Parasitic Relationship. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 14. Pontential growth of a population if there were perfect conditions and no limiting factors A) Symbiosis. B) Biotic Potential. Show Answer Correct Answer: B) Biotic Potential. 15. Deforestation of areas considered to be rich sources of genetic material could limit future agricultural and medical advances due to A) Themaintenance of dynamic equilibrium. B) Theloss of biodiversity. C) Anincrease in the ecosystem's carrying capacity. D) Thedepletion of the ozone layer. Show Answer Correct Answer: B) Theloss of biodiversity. 16. Increased industrialization will most likely A) Decreaseavailable habitats. B) Increaseenvironmental carrying capacity. C) Increasethe stability of ecosystems. D) Decreaseglobal warming. Show Answer Correct Answer: A) Decreaseavailable habitats. 17. This biome is characterized by few trees and many grasses, is warm and has lions, tigers, and giraffes ..... A) Temperate Grassland. B) Rainforest. C) Savannah Tropical Grasslands. D) Tundra. Show Answer Correct Answer: C) Savannah Tropical Grasslands. 18. How much energy is available in the 2nd level? A) 10, 000 units. B) 1000 units. C) 10 units. D) 100 units. Show Answer Correct Answer: D) 100 units. 19. An animal that eats an animal that ate producers A) Secondary Consumer. B) Primary Consumer. C) Tertiary Consumer. D) None of above. Show Answer Correct Answer: A) Secondary Consumer. 20. Which is not essential in a viable mesocosm? A) Light source. B) Autotroph. C) Saprotroph. D) Herbivore. Show Answer Correct Answer: D) Herbivore. ← PreviousNext →Related QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9Ecology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books