This quiz works best with JavaScript enabled. Home > Agriculture > Ecology Environment > Studies > Ecology And Environment – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology And Environment Quiz 24 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is a mixture of decayed plants, vegetables or food, etc. that can be added to soil to improve its quality. A) Compost. B) Waste. C) Chemical fertilize. D) Pesticide. Show Answer Correct Answer: A) Compost. 2. Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil? A) Taiga. B) Tundra. C) Deciduous forest. D) Grassland. Show Answer Correct Answer: D) Grassland. 3. What is global warming A) The melting of the polar ice caps. B) The trend of increasing temperatures on Earth. C) The changes in Earth's biosphere that affect the atmosphere. D) The normal temperature fluctuations of Earth's climate cycle. Show Answer Correct Answer: B) The trend of increasing temperatures on Earth. 4. A keystone species is important since its presence: A) Keeps the entire food chain balanced. B) Is essential for the correct amount of energy flow. C) Allows for predation to occur more efficiently. D) Keeps invasive species away from the food web. Show Answer Correct Answer: A) Keeps the entire food chain balanced. 5. Logistic growth has 3 phases. In Phase 1, the population grows rapidly. In Phase 2, population grows slowly. In Phase 3, growth stops. What causes growth to stop in the 3rd phase of logistic growth? A) Exponential Growth. B) Immigration. C) Emigration. D) Carrying Capacity. Show Answer Correct Answer: D) Carrying Capacity. 6. What is Mr. Mitchell's favorite color? A) Green. B) Blue. C) Red. D) White. Show Answer Correct Answer: B) Blue. 7. Species that is seriously at risk for extinction A) Endangered Species. B) Threatened Species. C) Humans. D) Invasive Species. Show Answer Correct Answer: A) Endangered Species. 8. A resource or environmental factor that limits the size of a population. (the amount of water limits the amount of animals that can live there) A) Limiting Factors. B) Adaptation. C) Interdependence. D) Niche. Show Answer Correct Answer: A) Limiting Factors. 9. The levels organism, population and community have only which type of factors? A) Biotic. B) Abiotic. C) Biotic and abiotic. D) None of above. Show Answer Correct Answer: A) Biotic. 10. Which of the following best describes a community? A) Sharks, groupers, anemones and shrimp on a coral reef. B) Decorator crabs on the seafloor. C) Loggerhead sea turtles in Atlantic. D) Prairie grassland in Wyoming. Show Answer Correct Answer: A) Sharks, groupers, anemones and shrimp on a coral reef. 11. What is the goal of the pioneer species in Primary Succession? A) To kill the dead materials after a disaster. B) To put fresh oxygen into the air. C) To rebuild soil. D) To feed Johnny. Show Answer Correct Answer: C) To rebuild soil. 12. What is a consumer that preys only on other consumers? A) Detritovore. B) Carnivore. C) Omnivore. D) Herbivore. Show Answer Correct Answer: B) Carnivore. 13. Any close relationship between organisms is called ..... A) Carrying Capacity. B) Ecosystem. C) Symbiosis. D) Consumer. Show Answer Correct Answer: C) Symbiosis. 14. A biological community of interacting organisms and their physical environment. A) Habitat. B) Food Web. C) Ecosystem. D) Food Chain. Show Answer Correct Answer: C) Ecosystem. 15. As species disappear from a prairie ecosystem, their disappearance results in decreased- A) Likelihood of prairie wildfires breaking out. B) Numbers of offspring in remaining species. C) Numbers of species in nearby ecosystems. D) Sustainability of the prairie ecosystem. Show Answer Correct Answer: D) Sustainability of the prairie ecosystem. 16. Which of the following lists include only biotic parts of an ecosystem? A) Rain, Grass, Temperature, Mice. B) Sand, Air, Water, Sunlight. C) Tree, Grass, Bear, Bird. D) Bacteria, Soil, Minerals, Worms. Show Answer Correct Answer: C) Tree, Grass, Bear, Bird. 17. Taking more fish out of an ecosystem than can be replaced by the reproductive rates of the remaining populations. A) Over population. B) Fishing. C) Over fishing. D) Extint. Show Answer Correct Answer: C) Over fishing. 18. All the organisms in a particular location, including their nonliving environment A) Population. B) Niche. C) Carnivore. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 19. Kudzu, a vine covering many acres of North Carolina was introduced to the United States in 1876 to control erosion. Over the years scientists have found that kudzu creates problems by growing rapidly and preventing other plants from getting sunlight. Which term best describes kudzu? A) An abiotic factor. B) An invasive, exotic, non-native species. C) A noncompetitive species. D) An agent of erosion. Show Answer Correct Answer: B) An invasive, exotic, non-native species. 20. Primary succession takes place in an area where- A) No soil or organisms were previously present. B) Wildfires removed existing prairie grass species. C) Large organisms outcompete smaller organisms. D) Weeds grow in a garden next to vegetables. Show Answer Correct Answer: A) No soil or organisms were previously present. 21. The first organisms that appear in an ecological community A) Secondary succession. B) Pioneer speciles. C) Ecological succession. D) Primary succession. Show Answer Correct Answer: B) Pioneer speciles. 22. Nutrients pass through cycles A) Only within ecosystems. B) Only between ecosystems. C) Both within and between ecosystems. D) Only within organisms. Show Answer Correct Answer: C) Both within and between ecosystems. 23. Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem? A) The rabbit population will remain the same. B) The rabbit population may decrease. C) The rabbit population may increase. D) The rabbit population may increase first, then decrease. Show Answer Correct Answer: B) The rabbit population may decrease. 24. Any living or non-living feature that restricts the number of individuals in a population. A) Sample count. B) Competition. C) Carrying capacity. D) Limiting factor. Show Answer Correct Answer: D) Limiting factor. 25. This type of succession occurs after a forest fire A) Primary succession. B) Secondary succession. C) Both. D) None of above. Show Answer Correct Answer: B) Secondary succession. 26. A park is home to a large number of robins, squirrels and rabbits. The robins and squirrels live in the park's trees. The robins feed on earthworms and insects that live on the ground. The squirrels eat the acorns produced by the park's oak trees. The rabbits hide in the bushes and feed on the grass. Which factor would negatively impact the number of rabbits living in the park? A) Removing park bushes. B) Removing the squirrels. C) Planting more trees. D) Collecting acorns off the ground. Show Answer Correct Answer: A) Removing park bushes. 27. All the alligators in the same area are an example of a(n) ..... A) Group. B) Organism. C) Population. D) Community. Show Answer Correct Answer: C) Population. 28. A population includes all A) Species that occur in an area. B) Living organisms in an area. C) Members of a certain species. D) Members of one species in an area. Show Answer Correct Answer: D) Members of one species in an area. 29. Illustrates the simple energy flow in a community A) Biomass pyramid. B) Food web. C) Food chain. D) Trophic structure. Show Answer Correct Answer: C) Food chain. 30. Which of these is one cause of deforestation? ..... A) Buying a chirstmas tree during the holidays. B) Urbanization. C) Cutting down the tree in your backyard. D) Overbreeding birds in the wild. Show Answer Correct Answer: B) Urbanization. ← 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