This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 260 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 260 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When organisms move in from another environment. A) Immigration. B) Emigration. Show Answer Correct Answer: A) Immigration. 2. Movement from one area to another A) Extinction. B) Hibernation. C) Migration. D) Physical adaptation. Show Answer Correct Answer: C) Migration. 3. Decomposition releases ..... into the soil A) Hydrogen. B) Oxygen. C) Nitrogen. D) Helium. Show Answer Correct Answer: C) Nitrogen. 4. 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. 5. 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. 6. ..... brings phosphorous into our waterways ..... A) Precipitation. B) Runoff. C) Transpiration. D) Condensation. Show Answer Correct Answer: B) Runoff. 7. 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. 8. 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. 9. When we create something new out of old materials we ..... A) Cycle. B) Recycle. Show Answer Correct Answer: B) Recycle. 10. 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. 11. 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. 12. 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. 13. 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. 14. Which limiting factor most affects the population growth of plants in a garden? A) Space between plants. B) Number of seeds planted. C) Types of tools used in planting. D) Number of people tending the plants. Show Answer Correct Answer: A) Space between plants. 15. A flower is considered A) Abiotic. B) Biotic. Show Answer Correct Answer: B) Biotic. 16. When a organism struggles for limited resources A) Competition. B) Commensalism. C) Communism. D) Community. Show Answer Correct Answer: A) Competition. 17. Organisms that directly use energy from the sun to make their own food are called A) Autotrophs. B) Heterotrophs. C) Carnivores. D) Decomposers. Show Answer Correct Answer: A) Autotrophs. 18. Spiders eat flies. When drawing the food web for this relationship, you should draw the arrow: A) FROM the spider, TO the fly. B) FROM the fly, TO the spider. Show Answer Correct Answer: B) FROM the fly, TO the spider. 19. Which includes all living and nonliving components in an area? A) Organism. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 20. Eats certain types of food A) Specialist. B) Generalist. C) Omnivore. D) None of above. Show Answer Correct Answer: A) Specialist. ← PreviousNext →Related QuizzesScience QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8Ecology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books