This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 88 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 88 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Some examples of biotic factors would be A) Trees. B) Insects. C) Bacteria. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. True or False:Water vapor is the name given to water in liquid form. A) True. B) False. Show Answer Correct Answer: B) False. 3. Which stage of the hydrologic cycle can be the most direct cause of algal blooms? A) Evaporation. B) Precipitation. C) Transpiration. D) Runoff. Show Answer Correct Answer: D) Runoff. 4. When brown tree snakes were accidentally introduced onto the island of Guam, they had no natural predators. These snakes sought out and ate many eggs of insect-eating birds. What probably occurred following the introduction of the brown tree snakes? A) The insect population began to seek a new food source. B) The bird population increased. C) The bird population began to seek a new food source. D) The insect population increased. Show Answer Correct Answer: D) The insect population increased. 5. What is the relationship Mutualism? A) They all get a long and sing and dance. B) It helps both groups of animals or living things (partners). C) It only benefits one group of animals or living things (partners). D) It benefits neither group or living things (partners). Show Answer Correct Answer: B) It helps both groups of animals or living things (partners). 6. A severe drought would have which of the following affects on the frog population? A) The frog population is likely to decrease. B) The frog population is most likely to thrive. Show Answer Correct Answer: A) The frog population is likely to decrease. 7. Which is NOT a type of aquatic ecosystem? A) Ocean. B) Estuary. C) Monastery. D) Wetland. Show Answer Correct Answer: C) Monastery. 8. ..... is the organism's role. A) Niche. B) Adaptation. C) Habitat. D) None of above. Show Answer Correct Answer: A) Niche. 9. Food security is best described as? A) 50% of the population accessing a balanced varied diet. B) 100% of the population having access to food 50% of the time. C) All people at all times having access to food of sufficient quality and quantity. D) All people having access to a limited supply of available food. Show Answer Correct Answer: C) All people at all times having access to food of sufficient quality and quantity. 10. What cycle are fossil fuels part of? A) Carbon. B) Oxygen. C) Nitrogen. D) Phosphorus. Show Answer Correct Answer: A) Carbon. 11. Find the correct example of symbiosis. A) Lichen, sea anemone and crayfish. B) The wolf and the hare. C) Bacteria and fungi. D) Parasites. E) Lion and deer. Show Answer Correct Answer: A) Lichen, sea anemone and crayfish. 12. A series of events in which one organism eats another and obtains energy is called a A) Food web. B) Food chain. Show Answer Correct Answer: B) Food chain. 13. Part of the earth that living organisms inhabit ..... A) Biosphere. B) Biome. C) Niche. D) Ecosystem. Show Answer Correct Answer: A) Biosphere. 14. Which compound is the most useful to plants? A) Nitrogen. B) Nitrite. C) Nitrogen dioxide. D) Nitrate. Show Answer Correct Answer: D) Nitrate. 15. Water, Sunlight, Oxygen and Soil are all parts of an organisms ..... environment. A) Biotic. B) Abiotic. C) Living. D) None of above. Show Answer Correct Answer: B) Abiotic. 16. The environment is made up of two factors. What are they? A) Earthlings & Aliens. B) Living & Nonliving. C) Sun & Moon. D) Abiotic & Biotic. Show Answer Correct Answer: D) Abiotic & Biotic. 17. Many more species of plants and animals live in a tropical forest than live in a desert. This difference is most likely due to the fact that, compared to a tropical forest, a desert A) Has less available sunlight. B) Contains soil with sand. C) Contains less water. D) Has more carbon dioxide in the atmosphere. Show Answer Correct Answer: C) Contains less water. 18. Sheep are herbivorous. What can you infer from this? A) They are primary consumers. B) They are producers. C) They are secondary consumers. D) They are decomposers. Show Answer Correct Answer: A) They are primary consumers. 19. Which of these is shown from the largest to smallest? A) Organism, population, community, ecosystem, biosphere. B) Biosphere, biome, ecosystem, community, population, species. C) Population, ecosystem, community, organism, biosphere. D) Community, ecosystem, biosphere, population, organism. Show Answer Correct Answer: B) Biosphere, biome, ecosystem, community, population, species. 20. During condensation water changes from ..... A) Solid ice to liquid water. B) Liquid water to water vapor (gas). C) Water vapor (gas) to liquid water drops. D) None of above. Show Answer Correct Answer: C) Water vapor (gas) to liquid water drops. ← 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