This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 167 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 167 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is a symbiotic relationship where both organisms benefit? A) Parasitism. B) Commensalism. C) Mutualism. D) Predator/Prey. Show Answer Correct Answer: C) Mutualism. 2. 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. 3. 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. 4. 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. 5. Animals that eat both plants and other animals are called: A) Decomposers. B) Scavengers. C) Herbivores. D) Omnivores. Show Answer Correct Answer: D) Omnivores. 6. Mistletoe grows and spreads on trees, taking their nutrients: A) Predation. B) Parasitism. C) Mutualism. D) Commensalism. Show Answer Correct Answer: B) Parasitism. 7. 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. 8. 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. 9. 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. 10. 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. 11. Wall A) Water. B) Wet. C) Wall. D) Warm. Show Answer Correct Answer: C) Wall. 12. All of the living things in an area are considered a A) Biome. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: C) Community. 13. Which of the following is a nonliving thing-an abiotic factor? A) Humans. B) Trees. C) Wind. D) Fungi. Show Answer Correct Answer: C) Wind. 14. The ..... includes gases like nitrogen and oxygen, as well as dust, rain, and cloud droplets. A) Geosphere. B) Biosphere. C) Atmosphere. D) Cryosphere. Show Answer Correct Answer: C) Atmosphere. 15. Which example describes or illustrates how a density-dependent limiting factor can affect a forest ecosystem? A) A forest fire forces many animals to move to new habitats. B) A heat wave causes the death of many animals in the forest. C) An earthquake causes the death of many animals in the forest. D) A disease causes death of many animals in the forest. Show Answer Correct Answer: D) A disease causes death of many animals in the forest. 16. Which of the following is true about quadrats? A) Quadrats should be placed randomly so that a representative sample is taken. B) You should look at the results from several quadrats in an area to reduce the effect of an unusual distribution. C) The results are more reliable when you look at the results from many quadrats. D) All the above are true. Show Answer Correct Answer: D) All the above are true. 17. TRUE or FALSE? All of the carbon in existence is continually recycled in the carbon cycle. A) True. B) False. Show Answer Correct Answer: A) True. 18. Having a wide variety and lots of different species (like that in a rain forest) is called: A) Biodiversity. B) Species Richness. C) Phylogeny. D) Systematics. Show Answer Correct Answer: A) Biodiversity. 19. Eats both plants and animals A) Carnivores. B) Omnivores. C) Herbivores. D) None of above. Show Answer Correct Answer: B) Omnivores. 20. All food chains must start out with a A) Sun. B) Producer. C) Decomposer. D) Herbivore. Show Answer Correct Answer: B) Producer. ← 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