This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 187 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 187 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If grass stores 1, 000 energy units received from the sun and the trophic levels are grass$\rightarrow$cow$\rightarrow$human, how many units of energy does the human receive of the original 1, 000 units? A) 10. B) 100. C) 200. D) 900. Show Answer Correct Answer: A) 10. 2. What is the cycle that is the movement of water between various reservoirs? A) Carbon cycle. B) Nitrogen cycle. C) Phosphorus cycle. D) Water cyle. Show Answer Correct Answer: D) Water cyle. 3. Any factor that limits population growth A) Limiting Factor. B) Immigration. C) Succession. D) Abiotic Factor. Show Answer Correct Answer: A) Limiting Factor. 4. Hunting is an environmental management tool that helps control wildlife populations. Hunting is an example of A) The deer population creating a change in an ecosystem. B) The food chain creating a change in an ecosystem. C) Humans creating a change in an ecosystem. D) A cycle creating a change in an ecosystem. Show Answer Correct Answer: C) Humans creating a change in an ecosystem. 5. Primary consumers are herbivores A) False. B) True. Show Answer Correct Answer: B) True. 6. A food web can be broken down into several seperate A) Food chains. B) Food pyramids. C) Producers. D) Consumers. Show Answer Correct Answer: A) Food chains. 7. Which is not a biome found in North America? A) Mojave Desert. B) Grasslands of the Great Plains. C) Everglades / Coastal Plain. D) Tropical Rain Forest. Show Answer Correct Answer: D) Tropical Rain Forest. 8. Producers: A) Create their own food. B) Rely on other organisms for food. Show Answer Correct Answer: A) Create their own food. 9. A climatogram measures: A) Temperature (A). B) Precipitation (B). C) Landforms. D) A and B. Show Answer Correct Answer: D) A and B. 10. The number of births compared to the total number of people in a population A) Death rate. B) Birth rate. C) Baby boom. D) Doubling time. Show Answer Correct Answer: B) Birth rate. 11. What happens at you go UP the energy pyramid? A) The amount of energy passing through gets smaller. B) The amount of energy passing through gets larger. C) The amount of energy passing through stays the same. D) The amount of energy does not matter. Show Answer Correct Answer: A) The amount of energy passing through gets smaller. 12. How are sharks and dolphins similar and different? A) Similar:they have finsDifferent:sharks are fish and dolphins are mammals. B) Similar:they both lay eggsDifferent:Dolphins are fish and sharks are mammals. C) Similar:they both are fishDifferent:Sharks eat dolphins and dolphins eat plants. D) Similar:they both have a blow holesDifferent:sharks lay eggs and dolphins give live birth. Show Answer Correct Answer: A) Similar:they have finsDifferent:sharks are fish and dolphins are mammals. 13. Grass the gains energy from the sun is an example of a ..... A) Consumer. B) Parasite. C) Decoposer. D) Producer. Show Answer Correct Answer: D) Producer. 14. Aquatic animals that swim A) Nekton. B) Benthos. Show Answer Correct Answer: A) Nekton. 15. Gas that makes up almost 80% of Earth's atmosphere A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: C) Nitrogen. 16. An organism that feeds on dead or decaying plant or animal remains A) Detritivore. B) Decoposer. C) Producer. D) Consumer. Show Answer Correct Answer: A) Detritivore. 17. Rabbits introduced into Australia over 100 years ago have become a serious pest to farmers. Rabbit populations increases so much that they displaced many native species of plant eaters. What is the most logical explanation for their increased numbers? A) Rabbits have a high death rate. B) There are few effective predators. C) Additional rabbit species have been introduced. D) There is an increase in rabbit competitors. Show Answer Correct Answer: B) There are few effective predators. 18. Which biome has very high soil quality good for growing corn and wheat? A) Grasslands. B) Savanna. C) Desert. D) Tropical rain forest. Show Answer Correct Answer: A) Grasslands. 19. What are the species with high resistance called? A) Bacteria. B) Microbe. C) Macrophages. D) Stenobiont. E) Eurybiont. Show Answer Correct Answer: E) Eurybiont. 20. Nitrogen is the most plentiful gas in the atmosphere. A) True. B) False. Show Answer Correct Answer: A) True. ← 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