This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 192 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 192 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When 2 organisms fight for the same resource A) Predation. B) Prey. C) Cooperation. D) Competition. Show Answer Correct Answer: D) Competition. 2. What is the definition of a community? A) Any living thing. B) One single individual. C) All the individuals of one kind in one area. D) All of the populations living in one area. Show Answer Correct Answer: D) All of the populations living in one area. 3. The process of water passing from earth, to the atmosphere, and back to earth, continuously. A) The Water Cycle. B) Rain. C) Condensation. D) Precipitation. Show Answer Correct Answer: A) The Water Cycle. 4. Garbage dump A) Fossil fuels. B) Drought. C) Landfill site. D) Extinction. Show Answer Correct Answer: C) Landfill site. 5. Why doesn't photosynthesis occur in deep ocean water? A) There is no sunlight. B) There are not enough nutrients. C) The salinity level of the water is too high. D) The water temperature is too cold. Show Answer Correct Answer: A) There is no sunlight. 6. Which of the following are NOT examples of a density independent factors? A) Forest fire. B) Seasonal cycles. C) Storms. D) Disease. Show Answer Correct Answer: D) Disease. 7. Competition definition A) An interaction that occur when 2 or more individuals or population compete for limited resources. B) An interaction between species, the predator or eats the prey. C) A symbiotic interaction in which one organism live on other for benefit and the host get harmful. D) Produce entrain. Show Answer Correct Answer: A) An interaction that occur when 2 or more individuals or population compete for limited resources. 8. Organisms release carbon dioxide gas through a process called A) Filtration. B) Respiration. C) Photosynthesis. D) Nitrogen cycle. Show Answer Correct Answer: B) Respiration. 9. If the plant population decreased, the amount of carbon dioxide in the atmosphere would ..... A) Stay the same. B) Increase. C) Decrease. D) None of above. Show Answer Correct Answer: B) Increase. 10. A frogs bright colors A) False coloring. B) Prey. C) Camo. D) Predator adaption. Show Answer Correct Answer: A) False coloring. 11. All the populations that live in the same place at the same timeare called: A) Population. B) Community. C) Ecosystem. D) Biome. Show Answer Correct Answer: B) Community. 12. How much energy is passed on to the next trophic level each time an organism is eaten? A) 10%. B) 20%. C) 50%. D) 100%. Show Answer Correct Answer: A) 10%. 13. The arrows in a food chain or food web represent ..... A) Who eats who in the ecosystem. B) The relationships in a ecosystem. C) How energy flows through an ecosystem. D) All the above. Show Answer Correct Answer: C) How energy flows through an ecosystem. 14. Which of the following could result in Primary Succession? A) Forest Fire. B) Volcano eruption of lava covering all life. C) Mowing the lawn on a hot summer for your entire neighborhood. D) Tsunami. Show Answer Correct Answer: B) Volcano eruption of lava covering all life. 15. This is the energy of vibrating molecules that move through matter. A) Sound. B) Thermal. C) Mechanical. D) Electrical. Show Answer Correct Answer: A) Sound. 16. Which type of competition is responsible for shaping the structure of the community? A) Interspecific. B) Intraspecific. Show Answer Correct Answer: A) Interspecific. 17. Dirty water that pollutes rives. A) Sewage. B) Oxygen. C) A dumping site. D) Exhaust fumes. Show Answer Correct Answer: A) Sewage. 18. What is an example of an area that is likely to undergo primary succession? A) Glaciers melt and leave exposed rock. B) Plants die from drought and decompose. C) Land is bulldozed and soil remains. D) None of above. Show Answer Correct Answer: A) Glaciers melt and leave exposed rock. 19. The smallest unit of life that can sustain itself is called ..... A) An organism. B) The biosphere. C) A population. D) A community. Show Answer Correct Answer: A) An organism. 20. A carrying capacity is A) When your house can't have any more people in it. B) When your city can't build any more houses. C) The largest number of individuals of a population that a given environment can support. D) When you're too heavy for your mom to carry you. Show Answer Correct Answer: C) The largest number of individuals of a population that a given environment can support. ← 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