This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 269 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 269 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A stimulus can be external or internal. A) False. B) True. Show Answer Correct Answer: B) True. 2. 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. 3. 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. 4. 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. 5. What is it called when rain falls from the clouds? A) Transpiration. B) Evaporation. C) Condensation. D) Precipitation. Show Answer Correct Answer: D) Precipitation. 6. 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. 7. Their A) Their. B) Our. C) Your. D) Its. Show Answer Correct Answer: A) Their. 8. Amount of crops produced per unit area A) Diet. B) Famine. C) Malnutrition. D) Yield. Show Answer Correct Answer: D) Yield. 9. 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. 10. 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. 11. 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. 12. 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. 13. An organism that can make its own food is called a A) Consumer. B) Producer. C) Decoposer. D) Composer. Show Answer Correct Answer: B) Producer. 14. Which word means nonliving A) Biotic. B) Ecosystem. C) Abiotic. D) Species. Show Answer Correct Answer: C) Abiotic. 15. After the first trophic level-what percentage of energy is available to each of the following levels? A) 100%. B) 90%. C) 10%. D) 8.5%. Show Answer Correct Answer: C) 10%. 16. An area that is partly covered by water or flooded part of each year. A) Coral reef. B) Wetland. C) River. D) Deep sea. Show Answer Correct Answer: B) Wetland. 17. Plants in the desert are able to store ..... in their roots, stems and leaves. A) Evaporation. B) Nocturnal. C) Water. D) Driest. Show Answer Correct Answer: C) Water. 18. A necessary link between autotrophs and carnivores is filled by A) More destructive. B) Herbivores. C) Scavengers. D) Decomposers. Show Answer Correct Answer: B) Herbivores. 19. Which type of population growth occurs under ideal conditions with unlimited resources? A) Economic Growth. B) Exponential Growth. C) Logistic Growth. D) Linear Growth. Show Answer Correct Answer: B) Exponential Growth. 20. Coal is a solid fossil fuel formed from ..... A) The remains of animals. B) Rocks. C) Decaying plant remains. D) Hardened lava. Show Answer Correct Answer: C) Decaying plant remains. ← 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