This quiz works best with JavaScript enabled. Home > Agriculture > Ecology Environment > Studies > Ecology And Environment – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology And Environment Quiz 9 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How do plants get their source of energy (food)? A) Plants get their food from the soil and water. B) Plants use the energy from the sun, air, and water to make their food. C) Plants get their food from minerals. D) Plants get their food from the decaying plants and animals. Show Answer Correct Answer: B) Plants use the energy from the sun, air, and water to make their food. 2. What is the name of the process by which populations become adapted to environmental change? A) Natural selection. B) Selective breeding. C) Codominance. D) Biodiversity. Show Answer Correct Answer: A) Natural selection. 3. A large community characterized by the dominant forms of plant life and the prevailing climate. Many ecosystems co-existing. For example:grassland, desert, tropical rainforest. A) Biome. B) Biosphere. C) Population. D) Community. Show Answer Correct Answer: A) Biome. 4. Which process occurs after a forest fire? A) Photosynthesis. B) Primary succession. C) Eutrophication. D) Secondary succession. Show Answer Correct Answer: D) Secondary succession. 5. In order to use a resource sustainably you should A) Use it a a rate where it can be replenished. B) Use as much as you want, the people in 3rd world countries do not need it. C) Use it before someone else does and there is none left for you. D) Don't use any at all. Show Answer Correct Answer: A) Use it a a rate where it can be replenished. 6. A flowering plant has seeds that are carried by the wind. Infer the most likely dispersion pattern of the plants that grow from these seeds. A) Uniform. B) Clumped groups. C) Random. D) Spatial. Show Answer Correct Answer: C) Random. 7. Organisms that relies on other organisms for food; consumer A) Decomposer. B) Herbivore. C) Species. D) Heterotroph. Show Answer Correct Answer: D) Heterotroph. 8. The place an organism lives A) Home. B) Ecosystem. C) Habitat. D) Niche. Show Answer Correct Answer: C) Habitat. 9. Living things within an ecosystem. A) Niche. B) Biotic factors. C) Consumers. D) Population. Show Answer Correct Answer: B) Biotic factors. 10. Different kinds of water have different levels of acidity. To measure the acidity of liquids, we use the ..... scale. A) PH. B) MH. C) OH. D) None of above. Show Answer Correct Answer: A) PH. 11. A foreign insect is introduced into the Texas. It eats a lot of leaves, and trees start to become leafless . Many different animals feed on the new insect, but even they cannot control its numbers. Eventually, trees begin to die. Why would a rapid increase of the new insect population cause certain species of herbivores to vanish or be fewer in number? A) They would not have enough toeat. B) Theywould not have enough space to live. C) Theywould not have tree bark to eat. D) None of above. Show Answer Correct Answer: A) They would not have enough toeat. 12. A large amount of dust and ash from a recent volcanic eruption settles in the region. Which of the following organisms that live near the volcano will most likely survive? A) Trees. B) Fish. C) Deer. D) Grasses. Show Answer Correct Answer: C) Deer. 13. All organisms in a food chain or food web that cannot make their own food A) Detritovore. B) Autotroph. C) Herbivore. D) Heterotroph. Show Answer Correct Answer: D) Heterotroph. 14. Which is a decomposer? A) Rabbit. B) Worm. C) Flower. D) Dirt. Show Answer Correct Answer: B) Worm. 15. Gradual development of an ecosystem over time A) Biodiversity. B) Pioneer species. C) Ecology. D) Succession. Show Answer Correct Answer: D) Succession. 16. Which example describes an abiotic factor that could impact the diversity of an ecosystem? A) An increase in prey can impact the number of predators in an ecosystem. B) An introduction of an invasive species can change the amount of resources in an ecosystem. C) The competition for food can impact the survival rate between members of the same species in an ecosystem. D) An increase in the amount of acid rain can change the pH of an ecosystem. Show Answer Correct Answer: D) An increase in the amount of acid rain can change the pH of an ecosystem. 17. What are decomposers? A) Organisms that get their nergy by breaking down waste and dead organims. B) Organisms that eat other living organisms. C) Organisms that eat plants. D) Organisms that make their own food. Show Answer Correct Answer: A) Organisms that get their nergy by breaking down waste and dead organims. 18. Decomposers cycle matter and energy between which of these? A) Water and soil. B) Producers and consumers. C) Dead organisms and scavengers. D) Remains of living things and the environment. Show Answer Correct Answer: D) Remains of living things and the environment. 19. A ..... is the natural home or environment of a plant, animal, or other organism. A) Food chain. B) Symbiosis. C) Habitat. D) Intraspecies. Show Answer Correct Answer: C) Habitat. 20. The acidity of a local stream would most likely be affected by A) A new source of air pollution. B) A change in the percentage of decomposers livingin the stream. C) A new predator species being introduced to theecosystem. D) A decrease in the amount of sunlight that reaches the stream. Show Answer Correct Answer: A) A new source of air pollution. 21. Sea otters live in the ocean. Which of the following is NOT likely to be a limiting factor on the sea otter population? A) Drought. B) Competition. C) Disease. D) Predation. Show Answer Correct Answer: A) Drought. 22. Which major biome is home to cacti, mesquite, white thorn, pack rats, small reptiles, and coyotes? A) Desert. B) Taiga. C) Tundra. D) Grassland. Show Answer Correct Answer: A) Desert. 23. Which of the following would increase a person's overall ecological footprint? A) Using public transportation to work. B) Properly insulating houses to reduce the amount of heat necessary during winter months. C) A school system turns on all the heat in the classrooms when it is 70 degrees outside. D) Frequently recycling paper and plastic products. Show Answer Correct Answer: C) A school system turns on all the heat in the classrooms when it is 70 degrees outside. 24. The ..... of an environmental proposal are often economic. A) Costs and benefits. B) Population growth. C) Pollution source. D) Fossil fuels. Show Answer Correct Answer: A) Costs and benefits. 25. How are populations affected by short-term environmental changes? A) They are not affected by the changed that take place. B) They do not have time to adapt to the changes that take place. C) They increase in number significantly due to the changes that take place. D) Only certain individuals are affected by the changes that take place. Show Answer Correct Answer: B) They do not have time to adapt to the changes that take place. 26. Which of the following describes the depletion of a renewable resource A) Hunting excess deer to maintain healthy population size. B) Intensive cultivation of farmland that exhausts soil nutrients. C) Mining coal. D) Increasing use of solar energy to generate electrical power. Show Answer Correct Answer: B) Intensive cultivation of farmland that exhausts soil nutrients. 27. Deforestation of areas considered to be rich sources of genetic material could limit future agricultural and medical advances due to A) Anincrease in the ecosystem's carrying capacity. B) Thedepletion of the ozone layer. C) Theloss of biodiversity. D) Themaintenance of dynamic equilibrium. Show Answer Correct Answer: C) Theloss of biodiversity. 28. The bodies of all living things are based on carbon. Which of the following is the primary source of carbon in living things? A) Carbon compounds stored in fossil fuels. B) Carbon dioxide in the atmosphere. C) Carbon compounds in the soil. D) Dissolved carbon dioxide in the biosphere. Show Answer Correct Answer: B) Carbon dioxide in the atmosphere. 29. Graphic organizer to demonstrate how one organism eats another organism and obtains energy. A) Energy Chain. B) Food Web. C) Energy Pyramid. D) Food Chain. Show Answer Correct Answer: D) Food Chain. 30. An ecosystem will most likely remain stable if A) It has a high level of biodiversity. B) Finite resources decrease. C) It has more predators than prey. D) Biotic factors decrease. Show Answer Correct Answer: A) It has a high level of biodiversity. ← 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