This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 273 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 273 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following are included within a community? A) Plants, animals, rocks, water. B) Water, sunlight, plants, animals. C) Plants, animals, fungi, bacteria. D) Fungi, Bacteria, rocks, sunlight. Show Answer Correct Answer: C) Plants, animals, fungi, bacteria. 2. Living parts of environment A) Abiotic factors. B) Biotic factors. C) Habitat. D) Population. Show Answer Correct Answer: B) Biotic factors. 3. Which would most likely result in primary succession? A) Old forest growing. B) Undisturbed prairie. C) Pollution kills mountain lake species. D) A Newly formed volcanic island. Show Answer Correct Answer: D) A Newly formed volcanic island. 4. A group of zebras makes up a(n) ..... A) Community. B) Population. C) Ecosystem. D) Biosphere. Show Answer Correct Answer: B) Population. 5. What is an example of a limiting factor that is biotic? A) Water. B) Wind. C) Grass. D) Rocks. Show Answer Correct Answer: C) Grass. 6. Human-built dams across rivers have both positive & negative effects on the environment. What effect does building dams have on environments downstream? A) A positive effect due to increasing the natural flow of nutrients. B) A negative effect due to reducing populations of non-native species. C) A negative effect due to increasing the populations of native species. D) A negative effect due to decreasing the natural flow of nutrients. Show Answer Correct Answer: D) A negative effect due to decreasing the natural flow of nutrients. 7. John Cena wanted to examine a decomposer. What would he need to see it with? A) Telescope. B) Magnifying glass. C) Microscope. D) None of above. Show Answer Correct Answer: C) Microscope. 8. Animals that can soon die out. A) Solar power. B) Dumping site. C) Sewage. D) Endangered species. Show Answer Correct Answer: D) Endangered species. 9. A stimulus can be external or internal. A) False. B) True. Show Answer Correct Answer: B) True. 10. As part of the carbon cycle, organisms release carbon dioxide into the atmosphere during ..... It can then be taken in by plant leaves and used to make food. A) Cellular respiration. B) Chemosynthesis. C) Photosynthesis. D) Transpiration. Show Answer Correct Answer: A) Cellular respiration. 11. Which of the following is not a possible cause of ecological succession? A) Fire. B) Flood. C) Earthquake. D) Change of season. Show Answer Correct Answer: D) Change of season. 12. A raccoon eats a fish, the fish eats a dragonfly larva, the dragonfly larva eats a mosquito larva, and the mosquito larva eats algae (a producer). which one is a tertiary consumer A) Dragonfly larva. B) Fish. C) Raccoon. D) Mosquito larva. Show Answer Correct Answer: B) Fish. 13. What is it called when rain falls from the clouds? A) Transpiration. B) Evaporation. C) Condensation. D) Precipitation. Show Answer Correct Answer: D) Precipitation. 14. What is the second level of a food chain? A) Producer. B) Primary consumer. C) Secondary consumer. D) Tertiary consumer. Show Answer Correct Answer: B) Primary consumer. 15. Their A) Their. B) Our. C) Your. D) Its. Show Answer Correct Answer: A) Their. 16. Amount of crops produced per unit area A) Diet. B) Famine. C) Malnutrition. D) Yield. Show Answer Correct Answer: D) Yield. 17. Metamorphic A) Formed from other rocks, changed because of heat and pressure. ex-granite, marble, obsidian. B) Formed from sediment, erosion build up. C) Formed from magma in a volcano, erupted and then cooled. D) None of above. Show Answer Correct Answer: A) Formed from other rocks, changed because of heat and pressure. ex-granite, marble, obsidian. 18. How is energy transferred in an energy pyramid? A) 10% to the level above, 90% lost as heat. B) 90% to the level above, 10% lost as heat. C) 100% to the level above, 90% lost as heat. D) 90% to the level above, 90% lost as heat. Show Answer Correct Answer: A) 10% to the level above, 90% lost as heat. 19. How many frogs have become extinct in North and South America in the last 100 years A) 5. B) 8. C) 10. D) None of above. Show Answer Correct Answer: B) 8. 20. A relationship between two organisms in which one organism benefits and the other is unharmed A) Mutualism. B) Competition. C) Parasitism. D) Commensalism. Show Answer Correct Answer: D) Commensalism. ← 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