This quiz works best with JavaScript enabled. Home > Agriculture > Ecology Environment > Studies > Ecology And Environment – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology And Environment Quiz 12 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What forms in the second step of water treatment? A) Alum. B) Flocs. C) Aeration. D) Clorine. Show Answer Correct Answer: B) Flocs. 2. A final and stable community A) Secondary succession. B) Old-filed succession. C) Climax community. D) Ecological succession. Show Answer Correct Answer: C) Climax community. 3. There are many large-mouth bass, a type of fish, living in a small lake near Waco, Texas. How would increased fishing in the lake effect the lake ecosystem? A) Predators of the bass might starve due to loss of a food source. B) Water level in the lake would decrease as more fishing took place. C) The population of the bass' prey would decrease. D) The bass would spend more time swimming near the surface. Show Answer Correct Answer: A) Predators of the bass might starve due to loss of a food source. 4. All the living things in an environment A) Traits. B) Natural Selection. C) Animals. D) Biotic factors. Show Answer Correct Answer: D) Biotic factors. 5. Which of these are three types of pollution? A) Noise, light, chemical. B) Global warming, climate change, greenhouse gases. C) Overpopulation, cities, landfills. D) Carbon dioxide, oxygen, nitrogen. Show Answer Correct Answer: A) Noise, light, chemical. 6. Deforestation by burning has been described as a "double whammy" to the environment, meaning it has 2 negative impacts. Why is this description accurate? A) Forestburning releases CO2 while decreasing oxygen, which disrupts cycles. B) Deforestationreduces the amount of oxygen in the atmosphere, which depletes the ozone layer. C) Forestclearing is often followed by land development, which often leads to increasednoise pollution. D) Deforestationincreases the number of plant and animal species by destroying habitat. Show Answer Correct Answer: A) Forestburning releases CO2 while decreasing oxygen, which disrupts cycles. 7. Which factor is a density-dependent limiting factor on the population of a species? A) Natural disasters. B) Predation. C) Unusual weather. D) Seasonal variation. Show Answer Correct Answer: B) Predation. 8. Bears have a thick coat of fun, this adaptation is best in an environment that is ..... A) Dry. B) Windy. C) Cold. D) None of above. Show Answer Correct Answer: C) Cold. 9. Which human activity would be most likely to have a negative impact on the environment? A) Planting trees to control soil erosion. B) Limiting the use of chemicals that kill weeds. C) Stopping the draining of swamps. D) Burning coal and oil to generate electric power. Show Answer Correct Answer: D) Burning coal and oil to generate electric power. 10. What is a correct food chain? A) Worm $\rightarrow$ hawk $\rightarrow$ acorn. B) Hawk $\rightarrow$ squirrel $\rightarrow$ acorn. C) Squirrel $\rightarrow$ acorn $\rightarrow$ hawk. D) Acorn $\rightarrow$ squirrel $\rightarrow$ hawk. Show Answer Correct Answer: D) Acorn $\rightarrow$ squirrel $\rightarrow$ hawk. 11. Non-living parts of an ecosystem-air/ water/ soil/ sun A) Abiotic. B) Biomes. C) Ecology. D) Symbiosis. Show Answer Correct Answer: A) Abiotic. 12. What are renewable resources? A) Soybeans. B) Natural gas. C) Coal. D) Fossil fuels. Show Answer Correct Answer: A) Soybeans. 13. The single-celled algae found in aquatic ecosystems are known as A) Zooplankton. B) Seaweed. C) Kelp. D) Phytoplankton. Show Answer Correct Answer: D) Phytoplankton. 14. The study of the interactions that take place among organisms and their environment. A) Food chain. B) Limiting factors limiting factors. C) Biomes. D) Ecology. Show Answer Correct Answer: D) Ecology. 15. How does a bird "change its environment" to meet its NEEDS? A) Looks for something to eat. B) Catches bugs. C) Flies around. D) Builds a nest. Show Answer Correct Answer: D) Builds a nest. 16. Where is pollution found on the earth? A) Only in the air. B) Only on the land. C) Only in the water. D) On land, in the air, and in the water. Show Answer Correct Answer: D) On land, in the air, and in the water. 17. Why do the populations of invasive species grow so quickly? A) Invasive species are prey to many animals. B) Invasive species keep the ecosystems in equilibrium. C) Invasive Species are native to an area. D) Invasive species have no predators. Show Answer Correct Answer: D) Invasive species have no predators. 18. Occurs when two or more organisms seek the same resource at the same time. A) Competition. B) Symbiosis. C) Predation. D) None of above. Show Answer Correct Answer: A) Competition. 19. We each throw away an average of ..... pounds of trash a day, or nearly 1 ton of trash every year. A) 55. B) 50. C) 5. D) None of above. Show Answer Correct Answer: C) 5. 20. What term refers to the number of males and females in various reproductive age groups? A) Age structure. B) Reproductive dispersal. C) Carrying capacity. D) Birth rates. Show Answer Correct Answer: A) Age structure. 21. Heterotroph that eat both plants and animals. A) Herbivore. B) Omnivore. C) Carnivore. D) Parasitism. Show Answer Correct Answer: B) Omnivore. 22. Highest level of biological organization-all parts of the Earth. A) Biosphere. B) Ecosystem. C) Population. D) Community. Show Answer Correct Answer: A) Biosphere. 23. Many of the biomes that exist on Earth can be found in the western part of North Carolina. What is the primary reason for the existence of such a wide range of biomes in this area? A) The rivers and lakes in the mountain areas. B) The wide range of altitude of the mountains. C) The rocks that make up the mountains. D) The wind and water erosion of the mountains. Show Answer Correct Answer: B) The wide range of altitude of the mountains. 24. Which best describes the relationship between carrying capacity and Earth's resources? A) A population that is below the carrying capacity will have an increase in contagious diseases. B) A population that is above the carrying capacity will have a decrease in natural resources. C) A population that is below the carrying capacity will experience a decrease in freshwater resources. D) A population that is above the carrying capacity will experience an increase in plant production. Show Answer Correct Answer: B) A population that is above the carrying capacity will have a decrease in natural resources. 25. The direction of the flow of energy in a food web is represented by ..... A) Light bulbs. B) Dotted Lines. C) Bubbles. D) Arrows. Show Answer Correct Answer: D) Arrows. 26. The nitrogen cycle is a process in which nitrogen is moving from the air to the ground to ..... and back again. A) Plants, animals, and humans (living things). B) Lava. C) Clouds. D) Hydrogen. Show Answer Correct Answer: A) Plants, animals, and humans (living things). 27. Fertilizers used to improve lawns and gardens may interfere with the equilibrium of an ecosystem because they A) Cause mutations in all plants. B) Cannot be absorbed by roots. C) Can be carried into local water supplies. D) Cause atmospheric pollution. Show Answer Correct Answer: C) Can be carried into local water supplies. 28. What amount of percentage does the energy decrease as it goes up the pyramid? A) 1%. B) 1000%. C) 10%. D) 100%. Show Answer Correct Answer: C) 10%. 29. How should you prepare for this test tomorrow? A) Study. B) Go fishing. C) Play sliter.io (game). D) Watch Netflix. Show Answer Correct Answer: A) Study. 30. Why can an invasive species be potentially threatening to an ecosystem? A) Organisms in the ecosystem may not know how to protect themselves. B) They can add genetic variation. C) They can mate with members of the community which leads to the evolution of a new species. D) They can be used to synthesize new medicine for harmful diseases. Show Answer Correct Answer: A) Organisms in the ecosystem may not know how to protect themselves. ← PreviousNext →Related QuizzesEcology Environment QuizzesAgriculture QuizzesEcology And Environment Quiz 1Ecology And Environment Quiz 2Ecology And Environment Quiz 3Ecology And Environment Quiz 4Ecology And Environment Quiz 5Ecology And Environment Quiz 6Ecology And Environment Quiz 7Ecology And Environment Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books