This quiz works best with JavaScript enabled. Home > Ecology Environment > Ecology And Environment – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology And Environment Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following biomes is characterized by low rainfall, freezing temperature and the presence of polar bears and scarce vegetation? A) Taiga. B) Tundra. C) Temperate forest. D) Desert. Show Answer Correct Answer: B) Tundra. 2. Only this much energy passes along in feeding relationships: A) 15%. B) 5%. C) 10%. D) 100%. Show Answer Correct Answer: C) 10%. 3. Which human activity would most likely deplete nonrenewable resources? A) Useof natural enemies to eliminate insect pests. B) Developmentof wildlife refuges. C) Governmentalrestriction of industrial pollution. D) Increased use of fossil fuels. Show Answer Correct Answer: D) Increased use of fossil fuels. 4. An increase in chlorofluorocarbons and aerosols are most likely to result in an increase in what? A) Acid rain. B) Ozone depletion. C) Global warming. D) Ocean acidification. Show Answer Correct Answer: B) Ozone depletion. 5. In any food chain or web, the herbivores get only 10% of the energy contained in the plant A) Rule of 10. B) Rule of 90. C) 50-50. D) Law of the land. Show Answer Correct Answer: A) Rule of 10. 6. Define resource A) The natural home or environment of an animal, plant, or other organism. B) A place, person, or thing from which something comes or can be obtained. C) An action or strategy which may be adopted in adverse circumstances. D) None of above. Show Answer Correct Answer: C) An action or strategy which may be adopted in adverse circumstances. 7. Approximately what percentage of Earth's water is SALT water? A) 97 %. B) 71%. C) 30%. D) 3%. Show Answer Correct Answer: A) 97 %. 8. What trophic level do Herbivores occupy-ex:mouse eating seeds A) Producers. B) Primary consumers. C) Secondary consumers. D) Tertiary consumers. Show Answer Correct Answer: B) Primary consumers. 9. Using economic considerations of resource use, the law of supply and demand describes the A) Availability of abundant resources. B) Relationshop between the availabilty and worth of resources. C) Worth of nonrenewable. D) Reduced demand resulting from lack of available resources. Show Answer Correct Answer: B) Relationshop between the availabilty and worth of resources. 10. AN EXAMPLE FOR TERRESTRIAL GASTROPOD A) SEA HARE. B) GARDEN SNAIL. C) NUDIBRUNCH. D) NONE OF THE ABOVE. Show Answer Correct Answer: B) GARDEN SNAIL. 11. This biome covers 70% of the Earth's surface. A) Ocean. B) Rainforest. C) Temperate deciduous forest. D) Boreal forest (Taiga). Show Answer Correct Answer: A) Ocean. 12. Made up of a community AND the abiotic environment. All the living and nonliving things in the same area. A) Biosphere. B) Population. C) Community. D) Ecosystem. E) Biome. Show Answer Correct Answer: D) Ecosystem. 13. A cost-benefit analysis is A) A study of the factors that influence decisions of producers and consumers. B) An economy in which the government decides what is manufactured. C) A balance between the supply and demand of a product. D) The comparison between the effects of an environmental decision. Show Answer Correct Answer: D) The comparison between the effects of an environmental decision. 14. Which is the simplest level of organization within the environment? A) Cell. B) Organism. C) Population. D) Community. Show Answer Correct Answer: B) Organism. 15. When ecosystems experience disturbances, the effects can be wide ranging. Consider a marine ecosystem where all of the sharks are lost due to over fishing. What chain of events could then follow this disturbance? A) The remaining fish species would also decline. B) Populations of other large fish would increase. C) Populations of other predators would immediately increase. D) Species that were food for sharks would increase in population size. Show Answer Correct Answer: D) Species that were food for sharks would increase in population size. 16. Humans have an effect on ecosystems when they use native grasslands or forested areas for farming or urban use. One negative effect of these changes on the ecosystem is that there will be A) Less biodiversity. B) More homes. C) Successful economic growth. D) Increased food production. Show Answer Correct Answer: A) Less biodiversity. 17. Which biome features permanently frozen soil called permafrost? A) Coniferous Forest. B) Deciduous Forest. C) Desert. D) Tundra. Show Answer Correct Answer: D) Tundra. 18. The amount of energy that usually transfers from one trophic level to the next ..... A) 10%. B) 20%. C) 80%. D) 50%. Show Answer Correct Answer: A) 10%. 19. A stable ecological community that has reached equilibrium A) Ecological succession. B) Climax community. C) Secondary succession. D) Pioneer speciles. Show Answer Correct Answer: B) Climax community. 20. Scientists studying two adjacent ecosystems observe different varieties of organisms in the two areas. All of the following factors would contribute to the differing varieties of organisms in these two habitats EXCEPT- A) Climate. B) Soil type. C) Water resources. D) Wind. Show Answer Correct Answer: D) Wind. ← PreviousNext →Related QuizzesEcology And Environment Quiz 1Ecology And Environment Quiz 2Ecology And Environment Quiz 3Ecology And Environment Quiz 5Ecology And Environment Quiz 6Ecology And Environment Quiz 7Ecology And Environment Quiz 8Ecology And Environment Quiz 9Ecology And Environment Quiz 10Ecology And Environment Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books