This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 71 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 71 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sharks are messy eaters that swim around all day with a small Remora fish attached to their undersides. The Remora eats any food that the shark may drop. The Remora does nothing for the shark. This is an example of ..... A) Mutualism. B) Commensalism. C) Parasitism. D) Competition. Show Answer Correct Answer: B) Commensalism. 2. An isopod attaches itself to the tongue of a fish and then eats the food the fish tries to consume. This is an example of ..... A) Mutualism. B) Commensalism. C) Parasitism. D) Mimicry. Show Answer Correct Answer: C) Parasitism. 3. Which category of organism cannot make its own food? A) Autotroph. B) Heterotroph. Show Answer Correct Answer: B) Heterotroph. 4. Which biome is shown in the picture? A) Taiga. B) Temperate Grassland. C) Desert. D) Tundra. Show Answer Correct Answer: B) Temperate Grassland. 5. Organisms that only eat producers A) Herbivores. B) Carnivores. C) Scavengers. D) Omnivores. Show Answer Correct Answer: A) Herbivores. 6. Organisms use nitrogen to form A) Carbohydrates and lipids. B) Proteins and lipids. C) Lipids and nucleic acids. D) Proteins and nucleic acids. Show Answer Correct Answer: D) Proteins and nucleic acids. 7. Organisms that get their food directly from plants. A) Producers. B) Herbivores. C) Insectivores. D) Carnivores. Show Answer Correct Answer: B) Herbivores. 8. Plants are very resistant to ..... in the grasslands. A) Drought. B) Fast. C) Herbivores. D) Trees. Show Answer Correct Answer: A) Drought. 9. How does the energy flow in an energy pyramids? A) Up the pyramid. B) Down the pyramid. Show Answer Correct Answer: A) Up the pyramid. 10. All organisms of the same species in an ecosystem. A) Population. B) Community. C) Family. D) Lucky. Show Answer Correct Answer: A) Population. 11. In an energy pyramid, A) The organisms in each level eat those in the level below them. B) The amount of energy increases as you move up each level. C) Producers are at the top. D) The smallest organisms are at the top. Show Answer Correct Answer: A) The organisms in each level eat those in the level below them. 12. Which one is NOT a biotic factor? A) Water. B) Plant. C) Penguin. D) Human. Show Answer Correct Answer: A) Water. 13. What is a Ecosystem A) Rutherford. B) Chicken dance. C) Jamaica. D) A biological community of interacting organisms and their physical environment. E) The study of environments. Show Answer Correct Answer: D) A biological community of interacting organisms and their physical environment. 14. What is the name of the way organisms communicate by producing their own chemical products from their bodies: A) Zoocharia. B) Commensalism. C) Allelopathy. D) Symbiosis. E) Neutralism. Show Answer Correct Answer: C) Allelopathy. 15. What factor of climate is dependent on how high you live above sea level? A) Topography. B) Oceans. C) Wind. D) Elevation. E) Latitude. Show Answer Correct Answer: D) Elevation. 16. Animals get energy from eating other animals. In what ways do they use this energy? A) Store the energy. B) Use it to stay warm. C) Reproduce. D) All of these. Show Answer Correct Answer: D) All of these. 17. What percent of energy is transferred from consumer to consumer in a food chain? A) 25%. B) 10%. C) 90%. D) 50%. Show Answer Correct Answer: B) 10%. 18. Gas that makes up 78% of our atmosphere. A) Oxygen. B) Nitrogen. C) Hydrogen. D) Carbon Dioxide. Show Answer Correct Answer: B) Nitrogen. 19. Is a dog an.....? A) Biotic factor. B) ABiotic factor. Show Answer Correct Answer: A) Biotic factor. 20. A flea on a dog is a ..... A) Parasite. B) Plastic Bug. C) Annoyance. D) Bug. Show Answer Correct Answer: A) Parasite. ← 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