This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 170 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 170 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. Which terms best describe heterotrophs? A) Plants; producers. B) Animals; producers. C) Plants; consumers. D) Animals; consumers. Show Answer Correct Answer: D) Animals; consumers. 3. 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. 4. 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. 5. 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. 6. Plants adapted to live in very dry conditions. A) Hydrophytes. B) Xerophytes. Show Answer Correct Answer: B) Xerophytes. 7. ..... is where an organism lives. A) Niche. B) Ecosystem. C) Habitat. D) Adaptation. Show Answer Correct Answer: C) Habitat. 8. 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. 9. To waste A) Waste. B) Use for good. C) Recycling. D) None of above. Show Answer Correct Answer: A) Waste. 10. What is a symbiotic relationship where both organisms benefit? A) Parasitism. B) Commensalism. C) Mutualism. D) Predator/Prey. Show Answer Correct Answer: C) Mutualism. 11. Are very, very dry. During the day, it can get above 100 degrees Fahrenheit (F), but at night the temperature can drop into the 40s & 50s( F):have very little rainfall. A) Tanya. B) Deserts. C) Tundra. D) Grasslands. Show Answer Correct Answer: B) Deserts. 12. The total amount of organisms that an ecosystem can provide the resources that they need for survival is called the ..... A) Limiting factors. B) Carrying capacity. C) Habitat. D) Abiotic. Show Answer Correct Answer: B) Carrying capacity. 13. What is trophic level? A) Level of organisation. B) The way animals arrange. C) The place an organisms occupy in the food chain. D) The roll an organisms occupy in the food chain. Show Answer Correct Answer: C) The place an organisms occupy in the food chain. 14. Animals that eat both plants and other animals are called: A) Decomposers. B) Scavengers. C) Herbivores. D) Omnivores. Show Answer Correct Answer: D) Omnivores. 15. Mistletoe grows and spreads on trees, taking their nutrients: A) Predation. B) Parasitism. C) Mutualism. D) Commensalism. Show Answer Correct Answer: B) Parasitism. 16. What role do animals play in the oxygen cycle? A) Take in oxygen. B) Give off oxygen. C) Decomposing. D) None of above. Show Answer Correct Answer: A) Take in oxygen. 17. Which biome consists of diverse deciduous trees, warm summers, cool winters, and can be found in the eastern US? A) Taiga. B) Temperate forest. C) Tropical rainforest. D) Temperate grassland. Show Answer Correct Answer: B) Temperate forest. 18. An environment that provides the things an organism needs to live, grow, and reproduce A) Organism. B) Habitat. C) Population. D) Biome. Show Answer Correct Answer: B) Habitat. 19. What are the 5 Levels of Organization IN ORDER? A) 1. Community 2. Population 3. Organism 4. Biosphere 5. Ecosystem. B) 1. Population 2. Organism 3. Biosphere 4. Community 5. Ecosystem. C) 1. Organism 2. Biosphere 3. Ecosystem 4. Community 5. Population. D) 1. Organism 2. Population 3. Community 4. Ecosystem 5. Biosphere. Show Answer Correct Answer: D) 1. Organism 2. Population 3. Community 4. Ecosystem 5. Biosphere. 20. Wall A) Water. B) Wet. C) Wall. D) Warm. Show Answer Correct Answer: C) Wall. ← 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