This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 80 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 80 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Biotic factors include sunlight, soil, temperature, and water. A) True. B) False. Show Answer Correct Answer: B) False. 2. An organism's ..... is anything that affects the organism. A) Environment. B) Population. C) Habitat. D) Niche. Show Answer Correct Answer: A) Environment. 3. The main human activity that releases greenhouse gases is A) Riding bicycles. B) Burning fossil fuels. C) Texting on cellphones. D) Eating meat. Show Answer Correct Answer: B) Burning fossil fuels. 4. Cutting down forests A) Deforestation. B) Fossil fuels. C) Protect. D) Wind farm. Show Answer Correct Answer: A) Deforestation. 5. Thinking back to the Energy Pyramid, coyotes prey on prairie dogs. In order for the prairie dog population to survive, how many prairie dogs are needed compared to coyotes? A) Fewer prairie dogs than coyotes. B) Many more prairies dogs than coyotes. C) About the same number of prairie dogs as coyotes. D) There is no relationship between the number of prairie dogs and coyotes. Show Answer Correct Answer: B) Many more prairies dogs than coyotes. 6. What is a symbiotic relationship where one organism benefits and the other does not benefit and is not harmed? A) Parasitism. B) Commensalism. C) Mutualism. D) Competition. Show Answer Correct Answer: B) Commensalism. 7. A large generalized community with similar climate factors A) Biome. B) Biodome. C) Biosphere. D) Biology. Show Answer Correct Answer: A) Biome. 8. Where is the most energy stored? A) In the primary consumers because they eat the most. B) At the top of the pyramid since it is the highest. C) In the tertiary consumers because they are most abundant. D) In the producers because they are most abundant. Show Answer Correct Answer: D) In the producers because they are most abundant. 9. The path of energy through the trophic levels of an ecosystem is called a ..... A) Food Avenue. B) Food Chain. C) Energy Chain. D) Energy Level. Show Answer Correct Answer: B) Food Chain. 10. A life form that is very sensitive to environmental changes in its ecosystem. They can give us early-warning messages that a habitat is suffering. A) Indicator Species. B) Flagship Species. C) Predators. D) Ecosystem Engineers. Show Answer Correct Answer: A) Indicator Species. 11. Driest biome, extreme temps ( very cold at night, very hot during the day, and very little rain. A) Tundra. B) Taiga. C) Desert. D) Forest. Show Answer Correct Answer: C) Desert. 12. Predation is similar to ..... in that both types of relationship benefit one of the interacting species while the other is harmed. A) Commensalism. B) Competition. C) Mutualism. D) Parasitism. Show Answer Correct Answer: D) Parasitism. 13. Which two factors can both cause a population to increase? A) Birth rate and emigration. B) Birth rate and immigration. C) Death rate and immigration. D) Death rate and emigration. Show Answer Correct Answer: B) Birth rate and immigration. 14. In an energy pyramid, producers are at the: A) None of the above. B) Middle. C) Top. D) Bottom. Show Answer Correct Answer: D) Bottom. 15. As plant life decreases from deforestation and fossil fuel burning increases, the CO2 levels in the air will ....., causing the greenhouse effect to increase. A) Rise. B) Fall. C) Remain Constant. D) Fluctuate at random. Show Answer Correct Answer: A) Rise. 16. A group of organisms with similar characteristics that are able to interbreed or exchange genetic material A) Population. B) Organism. C) Species. D) Community. Show Answer Correct Answer: C) Species. 17. Where does all of the energy in any food chain come from? A) Producers. B) Consumers. C) Herbivores. D) The sun. Show Answer Correct Answer: D) The sun. 18. C6H12O6 is A) Sugar. B) Carbon dioxide. C) Chloroplast. D) Salt. Show Answer Correct Answer: A) Sugar. 19. A form of symbiosis where one organism benefits and one is harmed A) Mutualism. B) Commensalism. C) Parasitism. D) Vaderism. Show Answer Correct Answer: C) Parasitism. 20. Which of the following is not abiotic A) Sunlight. B) Wind. C) Temperature. D) Salinity. E) Predators. Show Answer Correct Answer: E) Predators. ← 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