This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 20 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which type of immune system is faster? A) Adaptive Immunity. B) Innate Immunity. Show Answer Correct Answer: B) Innate Immunity. 2. Overpopulation can lead to all of the following except ..... A) Unhygienic living conditions. B) Disturbance of ecosystems. C) Starvation and malnutrition. D) A shift in the carrying capacity. Show Answer Correct Answer: D) A shift in the carrying capacity. 3. What does the ozone protect us from? A) Aliens. B) Ultraviolet radiation. C) Carbon dioxide. D) Homework. Show Answer Correct Answer: B) Ultraviolet radiation. 4. Be careful! The floor is ..... A) White. B) Clean. C) Dry. D) Wet. Show Answer Correct Answer: D) Wet. 5. A tick on a dog is an example of what kind of symbiotic relationship? A) Parasitism. B) Commensalism. C) Mutualism. D) Competition. Show Answer Correct Answer: A) Parasitism. 6. Which of the following did we discuss as a keystone species? A) Lions. B) Beavers. C) Frogs. D) Zebras. Show Answer Correct Answer: B) Beavers. 7. A claim is ..... A) A kind of shellfish often used in chowder. B) A fact. C) A statement or conclusion that answers the original question or problem. D) A bad thing to make about something. Show Answer Correct Answer: C) A statement or conclusion that answers the original question or problem. 8. How do producers get the nutrients they need to survive? A) They obtain energy from eating other organisms. B) The break down and use the nutrients in dead organisms. C) They absorb nutrients from the atmosphere. D) They use energy from the sun to make food from water and carbon dioxide. Show Answer Correct Answer: D) They use energy from the sun to make food from water and carbon dioxide. 9. ..... are the non living parts of the ecosystem that are necessary for life. A) Biotic Factors. B) Limiting Factors. C) Pioneer Species. D) Abiotic Factors. Show Answer Correct Answer: D) Abiotic Factors. 10. I am a carnivore that eats mice, lives in the desert and not the apex predator.Who am I? A) Snake. B) Cactus. C) Hawk. D) Mice. Show Answer Correct Answer: A) Snake. 11. When wolves were absent from the Yellowstone food web, what type of trophic cascade did their absence cause? A) Top-down. B) Bottom-up. C) Neither. D) None of above. Show Answer Correct Answer: A) Top-down. 12. Parasitism What does "parasitus" mean in Greek? A) Eating together. B) Food, food. C) Predatory. D) Dishonesty. E) Competitor. Show Answer Correct Answer: D) Dishonesty. 13. What is an ecological succession? A) Series of gradual changes that occur after a disturbance. B) Changes that only happen when species die. C) A series of changes that cause a population to increase or decrease. D) An INSTANT change caused by a disturbance. Show Answer Correct Answer: A) Series of gradual changes that occur after a disturbance. 14. ..... climate is described as hot and wet, and is located in low latitudes. A) Tropical. B) Dry. C) Continental. D) Moderate. Show Answer Correct Answer: A) Tropical. 15. The prefix Eco-means? A) House. B) Life, living. C) Small, millionth. D) With, together. Show Answer Correct Answer: A) House. 16. When an animal looks like another animal it is called ..... A) Camouflage. B) Mimicry. C) Warning coloration. D) Protective resemblance. Show Answer Correct Answer: B) Mimicry. 17. What do plants need to grow? How are these needs affected by climate? A) Plants need air, warmth, sunlight, water, and nutrients to grow. Climate is the major factor affecting the number and diversity of plants that can grow in a terrestrial biome. B) Plants need air, warmth, sunlight, and salt water. Show Answer Correct Answer: A) Plants need air, warmth, sunlight, water, and nutrients to grow. Climate is the major factor affecting the number and diversity of plants that can grow in a terrestrial biome. 18. A company wants to sell more sports drinks so they decide to add more sugar. For Group A they give them gatorade with an added teaspoon of sugar. For Group B they give them plain gatorade without adding sugar. Which Group is the CONTROL GROUP? A) Group A. B) Group B. C) The Gatorade. D) The Company. Show Answer Correct Answer: B) Group B. 19. All the different populations in a specific area A) Population. B) Species. C) Community. D) None of above. Show Answer Correct Answer: C) Community. 20. In population ecology, one of the factors that is studied is a density-dependent factor. Density-dependent factors have the greatest effect on dense populations and little to no effect on very sparse populations. What would NOT be an example of a density-dependent factor? A) Parasitism. B) Predation. C) Communicable disease. D) The average rainfall of a region. Show Answer Correct Answer: D) The average rainfall of a region. ← 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