This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 166 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 166 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Omnivores consume both ..... and animals. A) Insects. B) Plants. Show Answer Correct Answer: B) Plants. 2. The largest a population can support over a long period of time is called ..... A) Limiting factors. B) Carrying capacity. C) Demography. D) Dispersion. Show Answer Correct Answer: B) Carrying capacity. 3. Which of the following statements is true of the phosphorus cycle? A) Phosphorus enters the atmosphere as phosphates. B) The phosphorus cycle utilizes the processes of erosion, and weathering. C) Phosphates are used in carbohydrate and glucose storage. D) The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants. Show Answer Correct Answer: B) The phosphorus cycle utilizes the processes of erosion, and weathering. 4. What process allows an organism to modify its tolerance levels of abiotic factors? A) Adaptation. B) Homeostasis. C) Acclimation. D) Hibernation. Show Answer Correct Answer: C) Acclimation. 5. This level focuses on all the biotic and abiotic components in a given area A) Biome. B) Ecosystem. C) Community. D) Population. Show Answer Correct Answer: B) Ecosystem. 6. Biome A) Individual ecosystems grouped together according to climate, predominant vegetation, adaptations particular to an environment. B) One or more communities at a certain time and place and abiotic factors(temp, soil, sunlight, etc.). C) A type of animal, plant, and bacteria. D) None of above. Show Answer Correct Answer: A) Individual ecosystems grouped together according to climate, predominant vegetation, adaptations particular to an environment. 7. Of the following, which is not a freshwater ecosystem? A) Lake. B) Coral reef. C) Pond. D) Swamp. Show Answer Correct Answer: B) Coral reef. 8. What is unique about water on earth A) It tastes good. B) It is frozen. C) It is in liquid form on the surface. D) It is only underground. Show Answer Correct Answer: C) It is in liquid form on the surface. 9. Consumer that eats plants are know to be ..... A) Heterotrophs. B) Herbivores. C) Producers. D) Communities. Show Answer Correct Answer: B) Herbivores. 10. A relationship where one organism eats another is called A) Competition. B) Commensalism. C) Mutualism. D) Predation. Show Answer Correct Answer: D) Predation. 11. The differences in DNA among individuals within a species. A) Genetic diversity. B) Species diversity. C) Resilient. D) Resistant. Show Answer Correct Answer: A) Genetic diversity. 12. Sarah wanted to find out if the size of a car tire made it a smoother ride over bumps. What is the independent variable? A) Size of tire. B) How smooth the ride was over bumps. C) Type of car. D) None of above. Show Answer Correct Answer: A) Size of tire. 13. Which terms best describe heterotrophs? A) Plants; producers. B) Animals; producers. C) Plants; consumers. D) Animals; consumers. Show Answer Correct Answer: D) Animals; consumers. 14. What causes the seasons and their respective climates on Earth? A) Amount of plants. B) Amounts of animals. C) The sun in relation to the Eath. D) The moon in relation to the Earth. Show Answer Correct Answer: C) The sun in relation to the Eath. 15. Life on the planet depends on A) Biogeochemical Cycles. B) Biodiversity. C) Species Interactions. D) All three options. Show Answer Correct Answer: D) All three options. 16. Where would an owl be located on an energy pyramid?' A) Producer. B) Primary Consumer. C) Secondary or Tertiary Consumer. D) None of above. Show Answer Correct Answer: C) Secondary or Tertiary Consumer. 17. Plants adapted to live in very dry conditions. A) Hydrophytes. B) Xerophytes. Show Answer Correct Answer: B) Xerophytes. 18. ..... is where an organism lives. A) Niche. B) Ecosystem. C) Habitat. D) Adaptation. Show Answer Correct Answer: C) Habitat. 19. What is the Carbon-Oxygen Cycle? A) Producers make oxygen using photosynthesis, oxygen in taken in by living things which turn it into carbon dioxide, carbon dioxide is taken in by producers. B) The transfer of energy (food) from one organism to another. C) An organism that breaks down the remains of dead plants and animals (recycles). D) The role (job) a species has within a community. Show Answer Correct Answer: A) Producers make oxygen using photosynthesis, oxygen in taken in by living things which turn it into carbon dioxide, carbon dioxide is taken in by producers. 20. To waste A) Waste. B) Use for good. C) Recycling. D) None of above. Show Answer Correct Answer: A) Waste. ← 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