This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 194 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 194 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When an organism is introduced to an ecosystem, the carrying capacity will determine the maximum number of organisms that can live successfully in an ecosystem. A) True. B) False. Show Answer Correct Answer: A) True. 2. All the energy that organisms get from food matter originally comes from sunlight A) True. B) False. Show Answer Correct Answer: A) True. 3. Which one do we rely on to naturally convert nitrogen gas into a compound that can be consumed by plants? A) Fungi. B) Plants. C) Bacteria. D) Archaea. Show Answer Correct Answer: C) Bacteria. 4. The ..... is the total number of organisms that a particular ecosystem can support. A) Carrying Capacity. B) Niche. C) Limiting Factor. D) Climax Community. Show Answer Correct Answer: A) Carrying Capacity. 5. What caught Charles Darwin's eye first when he arrived to the Galapagos? A) How different the organisms were to those in England. B) How similar the organisms were to those in England. C) How hot it was. D) How few organisms there were. Show Answer Correct Answer: A) How different the organisms were to those in England. 6. Which of the following is NOT a regional effect on climate? A) Seasons. B) Bodies of water. C) Mountains. D) Soil composition. Show Answer Correct Answer: D) Soil composition. 7. Which watery biome has the lowest concentration of salt? A) Freshwater. B) Ocean. C) Coral reef. D) Wetland. Show Answer Correct Answer: A) Freshwater. 8. All of the living and nonliving things in an area make up a A) Community. B) Habitat. C) Species. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 9. ..... climate is described as cold all year long and located in high latitudes. A) Polar. B) Continental. C) Dry. D) Highland. Show Answer Correct Answer: A) Polar. 10. In which biome is Georgia located? A) Tropical rainforest. B) Temperate rainforest. C) Temperate deciduous forest. D) Alpine forest. Show Answer Correct Answer: C) Temperate deciduous forest. 11. Which sequence shows increasing complexity of levels of ecological organization? A) Biosphere, ecosystem, community. B) Biosphere, community, ecosystem. C) Community, ecosystem, biosphere. D) Ecosystem, biosphere, community. Show Answer Correct Answer: C) Community, ecosystem, biosphere. 12. Which of the following statements is true of reptiles? A) They are cold-blooded. B) They have gills. C) Their babies drink their mother's milk. D) They spend part of their lives in the water and part of their lives on land. Show Answer Correct Answer: A) They are cold-blooded. 13. Which of the following statements describes the function of denitrifying bacteria in the nitrogen cycle? A) Split the nitrogen molecule to form nitrites. B) Split nitrogen molecules to form ammonium. C) Convert ammonium compounds to nitrates. D) Convert nitrates to atmospheric nitrogen. Show Answer Correct Answer: D) Convert nitrates to atmospheric nitrogen. 14. Temperature, sunlight, and water are examples of ..... factors. A) Biotic. B) Abiotic. Show Answer Correct Answer: B) Abiotic. 15. Organisms in this category get their energy from both plant and animal matter. A) Producer. B) Carnivore. C) Detritivore. D) Omnivore. Show Answer Correct Answer: D) Omnivore. 16. The conditions of the atmosphere from day to day. A) Climate. B) Weather. Show Answer Correct Answer: B) Weather. 17. Which of the following are found in the largest number in ecosystems? A) Producers. B) Consumers. C) Omnivores. D) Top Carnivore. Show Answer Correct Answer: A) Producers. 18. The science of the environment, its components, and the interactions between these components is called A) Geology. B) Ecology. C) Biology. D) Physiology. Show Answer Correct Answer: B) Ecology. 19. Which of the following is a biotic factor that would affect the carrying capacity of a population? A) Soil. B) Predator. C) Rainfall. D) Sunlight. Show Answer Correct Answer: B) Predator. 20. Which of the following is NOT recycled in ecosystems? A) Energy. B) Sulphur. C) Nitrogen. D) Phosphorus. Show Answer Correct Answer: A) Energy. ← 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