This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 236 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 236 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It is the study of interactions of microorganisms with the environment, each other, plants, and animals. A) Microbial Ecology. B) Microbial Ecology. C) Organism Ecology. D) Microorganism study. Show Answer Correct Answer: A) Microbial Ecology. 2. Water moving through plants and back into the atmosphere. A) Transpiration. B) Precipitation. C) Condensation. D) Perspiration. Show Answer Correct Answer: A) Transpiration. 3. Organisms that survive in extreme conditions are called: A) Hardophiles. B) Extremophiles. C) Non-living. D) Thermochromatic. Show Answer Correct Answer: B) Extremophiles. 4. What is compost? A) Fertilizer. B) Plant material. C) Organic materials turn to soil. D) Food. Show Answer Correct Answer: C) Organic materials turn to soil. 5. We can say that ecology..... A) E. B) A. C) C. D) I. Show Answer Correct Answer: B) A. 6. One solution for reducing the amount of atmospheric carbon dioxide would be to A) Increase oceanic temperatures to enhance carbon dioxide uptake. B) Increase the rate of removal of tropical rain forests. C) Decrease the total area of rice paddies. D) Decrease the use of fossil fuels. Show Answer Correct Answer: D) Decrease the use of fossil fuels. 7. What is an example of an abiotic habitat? A) A big dinosaur. B) A virus. C) Outer space. D) A lake. Show Answer Correct Answer: D) A lake. 8. Which term refers to the study of organisms and their interactions within the environment? A) Biosphere. B) Niche. C) Ecology. D) Habitat. Show Answer Correct Answer: C) Ecology. 9. ..... biodiversity ecosystems have many different species of organisms. A) High. B) Low. Show Answer Correct Answer: A) High. 10. What is meant by structural adaptations? A) These are ways that organisms behave. B) These are things that go on inside an organism's body. C) There are no such things as structural adaptations. D) These are features of an organism's body structure. Show Answer Correct Answer: D) These are features of an organism's body structure. 11. All the energy in an ecosystem comes from the ..... A) Plants. B) Sun. C) Animals. D) Oil. Show Answer Correct Answer: B) Sun. 12. A species, that if removed, would cause a major change in the ecosystem is a ..... A) Hybrid Species. B) Dominant Species. C) Keystone Species. D) Native Species. Show Answer Correct Answer: C) Keystone Species. 13. How much energy is available at the next trophic level? A) 20%. B) 90%. C) 10%. D) 0%. Show Answer Correct Answer: C) 10%. 14. A secondary consumer that eats a primary consumer is called A) Omnivore. B) Carnivore. C) Herbivore. D) Decoposer. Show Answer Correct Answer: B) Carnivore. 15. Variety of life in the world or in a particular habitat or ecosystem. A) Biodiversity. B) Limiting Factor. C) Niche. D) Trophic Level. Show Answer Correct Answer: A) Biodiversity. 16. Indirect observation A) Count each and every individualdifficult to do. B) Observe the signs of orgamismsestimation. C) Approximation based on reasonable assumptioncount number in small area and multiply for larger areas. D) Catch and mark an organism, release, and catch more at a later timeuse a mathematical formula to estimate a total population. Show Answer Correct Answer: B) Observe the signs of orgamismsestimation. 17. Mold is a A) Producer. B) Consumer. C) Decoposer. D) None of above. Show Answer Correct Answer: C) Decoposer. 18. Which symbols best describe commensalism? A) +, +. B) +, -. C) +, 0. D) 0, 0. Show Answer Correct Answer: C) +, 0. 19. Emigration is A) The movement of individuals out of an area. B) The numder of individuals moving from one state to another. C) The number of people moving to a new house. D) The number of individuals moving out of Europe. Show Answer Correct Answer: A) The movement of individuals out of an area. 20. Which is NOT a threat to amphibian species A) Pond building. B) Pollution. C) Habitat destruction. D) None of above. Show Answer Correct Answer: A) Pond building. ← 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