This quiz works best with JavaScript enabled. Home > Science > Ecology – Quiz 264 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 264 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The match of a species to a specific environmental condition: A) Niche. B) Habitat. C) Individual. D) Partner. Show Answer Correct Answer: A) Niche. 2. What are sources of water pollution? A) Precipitation as Acid rain. B) Runoff water & Groundwater. C) Industry & Household waste. D) All of these. Show Answer Correct Answer: D) All of these. 3. A herbivore is a ..... A) Consumer that eats both plants and other animals. B) Consumer that only eats other animals. C) Consumer that only eats plants. D) None of above. Show Answer Correct Answer: C) Consumer that only eats plants. 4. In which biome would I be most likely to find buffalo? A) Desert. B) Temperate deciduous forest. C) Taiga. D) Grasslands. Show Answer Correct Answer: D) Grasslands. 5. What group of organisms are the most plentiful in an ecosystem? (which group has the biggest population) A) Consumers. B) Producers. C) Decomposers. D) Apex Predators. Show Answer Correct Answer: B) Producers. 6. Scientists discover a new species of tree that is adapted well for a cold environment with a moderate amount of rainfall. In which biome would this new species most likely be found? A) Deciduous forest. B) Tropical forest. C) Tundra. D) Taiga. Show Answer Correct Answer: D) Taiga. 7. An inability to adapt to environmental changes can lead to death of all members of a species. This is called ..... A) Expatriation. B) Examination. C) Extermination. D) Extinction. Show Answer Correct Answer: D) Extinction. 8. When organisms move in from another environment. A) Immigration. B) Emigration. Show Answer Correct Answer: A) Immigration. 9. Movement from one area to another A) Extinction. B) Hibernation. C) Migration. D) Physical adaptation. Show Answer Correct Answer: C) Migration. 10. Decomposition releases ..... into the soil A) Hydrogen. B) Oxygen. C) Nitrogen. D) Helium. Show Answer Correct Answer: C) Nitrogen. 11. Which arrow is pointing to the carrying capacity of this community? A) A. B) F. C) C. D) D. E) E. Show Answer Correct Answer: B) F. 12. In an energy pyramid, what has the most energy? A) Producers. B) First level consumers. C) Third level consumers. D) Scavengers. Show Answer Correct Answer: A) Producers. 13. ..... brings phosphorous into our waterways ..... A) Precipitation. B) Runoff. C) Transpiration. D) Condensation. Show Answer Correct Answer: B) Runoff. 14. Oxygen is a gas produced by ..... and used by ..... A) Plants and animals. B) Photosynthesis and carbon dioxide. C) Animals and plants. D) Carbon dioxide and photosynthesis. Show Answer Correct Answer: A) Plants and animals. 15. What is the symbiotic relationship called which one organism is helped and the other organism is unharmed? A) Mutualism. B) Parasitism. C) Commensalism. D) Consumer. Show Answer Correct Answer: C) Commensalism. 16. When we create something new out of old materials we ..... A) Cycle. B) Recycle. Show Answer Correct Answer: B) Recycle. 17. A complex mixture of interconnected food chains A) Food Web. B) Food Chain. C) Energy Pyramid. D) Symbiosis. Show Answer Correct Answer: A) Food Web. 18. Which best explains why producers are at the beginning of all food chains? A) They turn dead animals into nutrients. B) They provide shelter for smaller animals. C) The transfer energy from the sun into food. D) None of above. Show Answer Correct Answer: C) The transfer energy from the sun into food. 19. The factors that limit the size of a population are: A) Population. B) Carrying capacity. C) Limiting factor. D) Abiotic number. Show Answer Correct Answer: C) Limiting factor. 20. The physical place where an organism lives is known as its A) Niche. B) Habitat. C) Community. D) Biome. Show Answer Correct Answer: B) Habitat. ← 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