This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 257 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 257 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Series of changes were no soil or organisms exist A) Primary succession. B) Secondary succession. Show Answer Correct Answer: A) Primary succession. 2. Do decomposers need energy to live? A) Yes. B) No. Show Answer Correct Answer: A) Yes. 3. The ability of a liquid to flow through a substance is: A) Porosity. B) Permeability. Show Answer Correct Answer: B) Permeability. 4. This type of VARIABLE is kept the SAME for both experimental and Control Groups A) Independent. B) Dependent. C) Control (Constant). D) Inference. Show Answer Correct Answer: C) Control (Constant). 5. Everywhere on earth where life exist. A) Biosphere. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: A) Biosphere. 6. Why is reducing your carbon footprint so important? A) Carbon dioxide is the main cause of global warming. B) Carbon dioxide helps grow forests and grasslands. C) The atmosphere will cool with too little carbon dioxide. D) Sea levels will drop with too much carbon dioxide. Show Answer Correct Answer: A) Carbon dioxide is the main cause of global warming. 7. What is the bacteria in the roots of leguminous plants? A) Haemophilus. B) Neisseria. C) Rhizobium. D) Pseudomonas. Show Answer Correct Answer: C) Rhizobium. 8. An animal that eats only meat A) Herbivores. B) Carnivores. C) Omnivores. D) None of above. Show Answer Correct Answer: B) Carnivores. 9. An important need for a bird is a safe place to build a nest. If a bird did not have a place to build a nest, what would most likely occur? A) The number of new bird diseases in the area would increase. B) The number of predators in the area would increase. C) The number of food resources for the bird would decrease. D) The number of offspring would decrease. Show Answer Correct Answer: D) The number of offspring would decrease. 10. Which of the following describes an ecosystem? A) Producers + consumers + decomposers + non-living component. B) Producers + decomposers + habitats + non-living systems. C) Producers + consumers + habitats + non-living component. D) Producers + decomposers + habitats + non-living component. Show Answer Correct Answer: A) Producers + consumers + decomposers + non-living component. 11. The things that limit the size of a population, such as the amount of rainfall or food. A) Nonlimiting factors. B) Limiting factors. C) Biotic factors. D) Abiotic factors. Show Answer Correct Answer: B) Limiting factors. 12. During Succession, what is the name of the species that comes first? A) P1 generation. B) Pioneer Species. C) Founding Members. D) Starting Population. Show Answer Correct Answer: B) Pioneer Species. 13. Flood A) Flood. B) Drought. C) Volcanic eruption. D) Avalanche. Show Answer Correct Answer: A) Flood. 14. Which human activity would preserve nonrenewable resources? A) Deforestation. B) Removingcarnivores from a forest. C) Recycling. D) Heating homes with fossil fuels. Show Answer Correct Answer: C) Recycling. 15. All the members of one species that live within an area of an ecosystem A) Population. B) Community. C) Niche. D) None of above. Show Answer Correct Answer: A) Population. 16. The nitrogen cycle helps with the development of ..... A) Ammonification. B) Building amino acids. C) Building carbohydrates. D) None of above. Show Answer Correct Answer: B) Building amino acids. 17. Shows one possible flow of energy A) Food web. B) Food chain. C) Energy pyramid. D) None of above. Show Answer Correct Answer: B) Food chain. 18. The global system that contains most of the life on earth is ..... A) Atmosphere. B) Geosphere. C) Hydrosphere. D) Biosphere. Show Answer Correct Answer: D) Biosphere. 19. A log rotting on the ground is ..... A) Parasite. B) Consumer. C) Abiotic. D) Biotic. Show Answer Correct Answer: D) Biotic. 20. True or False; Herbivores eat Carnivores. A) True. B) False. Show Answer Correct Answer: B) False. ← PreviousNext →Related QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9Ecology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books