This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 102 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 102 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Competition between different species A) Intraspecific. B) Predator-prey. C) Multi-attack. D) Interspecific. Show Answer Correct Answer: D) Interspecific. 2. Remoras are fish that swim alongside sharks, eating scraps that the sharks leave behind. This is an example of: A) Amensalism. B) Commensalism. C) Parasitism. D) Mutualism. Show Answer Correct Answer: B) Commensalism. 3. The taiga A) A cold, treeless, desert-like biome found near the North and South Poles. B) Found mostly in Africa. C) A forest biome dominated by coniferous trees, such as pine, fir, and spruce. D) A dry, rocky biome found in the central part of South America. Show Answer Correct Answer: C) A forest biome dominated by coniferous trees, such as pine, fir, and spruce. 4. Why is a food chain short? A) There are not any animals. B) Because there is a little of energy at the top of it. C) Because there is much of energy at the top of it. D) Because there is no of energy at the top of it. Show Answer Correct Answer: B) Because there is a little of energy at the top of it. 5. Which of the following is true regarding mangroves? A) There must be a freshwater input into a mangrove in order for plant life to survive. B) Mangroves contain rapids that allow for the mixing of water and air making it a highly productive ecosystem. C) Mangrove plants are salt tolerant and protect the shoreline from erosion. D) Mangroves have an aphotic zone that has little photosynthetic activity occurring. Show Answer Correct Answer: C) Mangrove plants are salt tolerant and protect the shoreline from erosion. 6. What does every food chain start with? A) Decoposer. B) Consumer. C) Producer. D) Sun. Show Answer Correct Answer: C) Producer. 7. The concept that predators can affect the size and distribution of other animals is known as A) Predation. B) Herbivory. C) Tolerance. D) Limitation. Show Answer Correct Answer: A) Predation. 8. It is possible for a carnivore to also be a producer. A) True. B) False. Show Answer Correct Answer: B) False. 9. All food chains must start off with: A) A primary consumer. B) A secondary consumer. C) Microorganisms. D) A producer. Show Answer Correct Answer: D) A producer. 10. A hookworm consumes nutrients and water from within the intestines of its host. This is an example of: A) Decomposition. B) Mutualism. C) Commensalism. D) Parasitism. Show Answer Correct Answer: D) Parasitism. 11. What is the defintion of a population? A) A living thing. B) A single organism. C) All the organisms of one species in a habitat. D) All the different species living in a habitat. Show Answer Correct Answer: C) All the organisms of one species in a habitat. 12. Mutualism is where A) Both benefit. B) One benefits, the other is harmed. C) Neither benefit. D) One benefits and the other is neither harmed or benefits. Show Answer Correct Answer: A) Both benefit. 13. The position an organism holds in a food chain A) Energy source. B) Food level. C) Trophic level. D) None of above. Show Answer Correct Answer: C) Trophic level. 14. The primary cause of the introduction of invasive species is ..... A) Too much food. B) Humans bringing them over. C) Weather events. D) Asteroids. Show Answer Correct Answer: B) Humans bringing them over. 15. Water / air pollution A) Right. B) Wrong. Show Answer Correct Answer: A) Right. 16. What growth allows for unrestricted population growth that follows a J-shaped curve? A) Exponential Growth. B) Logistical Growth. Show Answer Correct Answer: A) Exponential Growth. 17. What is the main gas in our atmosphere? A) Carbon dioxide. B) Oxygen. C) Nitrogen. D) None of above. Show Answer Correct Answer: C) Nitrogen. 18. Nitrogen in the soil has been fixed by bacteria. It is now available for use by ..... A) Humans. B) Plants. C) Fungi. D) The water cycle. Show Answer Correct Answer: B) Plants. 19. Which of these does NOT put carbon back into the atmosphere? A) Combustion. B) Decomposition. C) Photosynthesis. D) Respiration. Show Answer Correct Answer: C) Photosynthesis. 20. What type of symbiosis? *Honeyguide birds find a bee hive, then chatter loudly to attract the Honey badger. They fly toward the hive making sure the badger is following. *Upon arrival at the bee hive, the badger tears open the hive and feasts on the honey. Then the Honeyguide bird feeds on the remaining wax and larvae. A) Commensalism. B) Mutualism. C) Parasitism. D) Predation. Show Answer Correct Answer: B) Mutualism. ← 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