This quiz works best with JavaScript enabled. Home > Ecology Environment > Ecology And Environment – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology And Environment Quiz 12 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Organisms with the most beneficial traits will survive. This is commonly known as ..... A) Theory of evolution. B) Variations. C) Survival of the fittest. D) Ecosystems. Show Answer Correct Answer: C) Survival of the fittest. 2. The process by which substances increase in concentration as one moves up a food chain A) Bioaccumulation. B) Biomagnification. C) Bioassimilation. D) Bioramification. Show Answer Correct Answer: B) Biomagnification. 3. Bacteria, fungi, and earthworms are examples of: A) Scavengers. B) Predators. C) Prey. D) Decomposers. Show Answer Correct Answer: D) Decomposers. 4. Pollution A) Does nor affect humans. B) Can make humans sick. C) Makes humans sick only after many years. D) None of the above. Show Answer Correct Answer: B) Can make humans sick. 5. Which gas makes up 78 percent of our atmosphere but can be used by plants only when transformed by bacteria first? A) Nitrogen. B) Oxygen. C) Hydrogen. D) Carbon dioxide. Show Answer Correct Answer: A) Nitrogen. 6. AN ORGANISM THAT LIVES IN OR ANOTHER ORGANISM AND DERIVE DERIVE ITS NUTRIENTS FOR ITSELF AT THE EXPENSE OF HOST IS CALLED A) SCAVANGER. B) PREY. C) PREDATORS. D) PARASITE. E) NONE. Show Answer Correct Answer: D) PARASITE. 7. Which of the following historical events most likely triggered the largest increase in the human population? A) TheBlack Death plague, which occurred in the mid-1300s. B) Thedomestication of wheat crops, which began around 8000 B.C. C) Thefall of the Roman Empire, which occurred around A.D. 800. D) The Industrial Revolution, which began in the late 1700s. Show Answer Correct Answer: D) The Industrial Revolution, which began in the late 1700s. 8. This organelle takes food and turns it into ENERGY for plant and animal cells. A) Chloroplast. B) Mitochondria. C) Lysosome. D) Ribosome. Show Answer Correct Answer: B) Mitochondria. 9. This biome contains mostly spruce trees and Douglas firs, which are both evergreen. The winters are long and cold and the summers are short and rainy. The soil is very rich. Moose and elk live here. This biome is classified as a A) Taiga. B) Tundra. C) Deciduous forest. D) Temperate forest. Show Answer Correct Answer: A) Taiga. 10. Precipitations carrying large amounts of dissolved acids, which kills wildlife and damages buildings, forests, and crops. A) Amog. B) Air pollution. C) Transportation. D) Acid rain. Show Answer Correct Answer: D) Acid rain. 11. Organism that captures energy from sunlight or inorganic substances to makes it's own food; provides the foundation of the food supply for other organisms; also called a producer. A) Autotroph. B) Heterotroph. C) Detritvore. D) Herbivore. Show Answer Correct Answer: A) Autotroph. 12. Photosynthesis is important because ..... A) It makes carbon dioxide. B) It makes food for the food webs. C) It makes water. D) It's not important. Show Answer Correct Answer: B) It makes food for the food webs. 13. Where the better adapted organisms survive to pass traits along to offspring. A) Evolution. B) Natural Selection. C) Extinction. D) Artifical Selection. Show Answer Correct Answer: B) Natural Selection. 14. All the organisms in an ecosystem that belong to the same species. A) Population. B) Community. C) Carrying capacity. D) Ecosystem. Show Answer Correct Answer: A) Population. 15. A food chain is represented belowgrass > rabbit > hawkStructures within the rabbit are formed using A) Solar energy from the grass. B) Heat energy lost to the environment. C) Chemical energy from the hawk. D) Chemical energy from the grass. Show Answer Correct Answer: D) Chemical energy from the grass. 16. Rabbits and foxes both occupy an ecosystem. If the rabbit population is depleted by disease, what will happen to the fox population? A) More foxes would immigrate to the area. B) The fox population would increase. C) The fox population would decrease. D) The fox population would not change. Show Answer Correct Answer: C) The fox population would decrease. 17. A region of land that drains into a river. A) Water reclamation. B) Watershed. C) Aquifer. D) Irrigation. Show Answer Correct Answer: B) Watershed. 18. Which substance is used in a sewage treatment system to kill harmful bacteria? A) Ammonia. B) Chlorine. C) Sand. D) Soap. Show Answer Correct Answer: B) Chlorine. 19. Recycling rose from 6.6% of trash in 1965 to ..... of trash being recycled by Americans in 1991. A) 7.7%. B) 10.%. C) 17%. D) None of above. Show Answer Correct Answer: C) 17%. 20. Population growth in the 20th century accelerated which environmental stress(es)? A) How humans use natural resources. B) Pollution. C) Habitat destruction. D) All of the above. Show Answer Correct Answer: D) All of the above. ← PreviousNext →Related 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 8Ecology And Environment Quiz 9Ecology And Environment Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books