This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 226 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 226 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. All of the organisms of one species within a particular ecosystem A) Population. B) Community. C) Ecosystem. D) Biome. Show Answer Correct Answer: A) Population. 2. Interaction in which one organism hunts, captures, and feeds on another organism A) Population. B) Parasitism. C) Predation. D) Competition. Show Answer Correct Answer: C) Predation. 3. All of living and nonliving things in an given area A) Ecosystem. B) Commensalism. Show Answer Correct Answer: A) Ecosystem. 4. Giraffes have long necks that help them reach leaves high up in trees. They get all the energy they need from plants. What type of consumer are giraffes? A) Carnivore. B) Omnivore. C) Herbivore. D) Decoposer. Show Answer Correct Answer: C) Herbivore. 5. Which is an example of a behavior? A) Blood flowing through veins. B) A dog avoiding a foul odor. C) Tree branch providing shade. D) . a rabbit's fur turning white. Show Answer Correct Answer: B) A dog avoiding a foul odor. 6. The study of the interactions between organisms and their interrelationships with the physical environment is known as A) Ecology. B) Cytology. C) Embryology. D) Physiology. Show Answer Correct Answer: A) Ecology. 7. Which of these is a density-dependent factor? A) Being poisoned by humans. B) Earthquake. C) Predators. D) Ice age. Show Answer Correct Answer: C) Predators. 8. A complicated interconnected group of food chains is called a ..... A) Food Diagram. B) Food Web. C) Food Pyramid. D) Food Map. Show Answer Correct Answer: B) Food Web. 9. The build up of toxins form smaller to the larger organisms that eat them A) Poison building. B) Bioaccumulation. C) Toxin stock piling. D) Environmental cleansing. Show Answer Correct Answer: B) Bioaccumulation. 10. Porcupines needles A) Protective coloring. B) Predator. C) False coloring. D) Prey. Show Answer Correct Answer: A) Protective coloring. 11. Which term defined:chemical elements or nutrients in complex organic forms along food chainin the biotic components of biosphere A) Cycling pool. B) Reservoir pool. Show Answer Correct Answer: A) Cycling pool. 12. Which of the following provide most of the energy in ecosystems? A) Keystone species. B) Carnivores. C) Generalists. D) Producers. Show Answer Correct Answer: D) Producers. 13. This is where a population grows to a size where the environment cannot handle it (not enough resources) A) Overpopulation. B) Population. C) Community. D) Limiting Factor. Show Answer Correct Answer: A) Overpopulation. 14. Through food chains, the carbon that is in plants moves to the animals that eat them. When an animal eats another animal, carbon is ..... A) Released. B) Transferred. C) Dissolved. D) Gone. Show Answer Correct Answer: B) Transferred. 15. Which of the following interactions is an example of symbiosis? A) An insect acts as a pollinator for a plant species. B) A population of hummingbirds migrates during the summer. C) A tropical bird performs a courtship dance for a mate. D) A mother bear feeds and protects her cubs. Show Answer Correct Answer: A) An insect acts as a pollinator for a plant species. 16. Plants that grow in dry places A) Hygrophytes. B) Hydrophytes. C) Hydatophytes. D) Mesophyte. E) Xerofitter. Show Answer Correct Answer: E) Xerofitter. 17. The total amount of water on Earth is constantly changing. A) True. B) False. Show Answer Correct Answer: B) False. 18. The release of water vapor through breathing by animals A) Respiration. B) Transpiration. C) Water cycle. D) Perspiration. Show Answer Correct Answer: A) Respiration. 19. Sun A) Abiotic. B) Biotic. Show Answer Correct Answer: A) Abiotic. 20. Population density A) Role in the community. B) Number of organim in a given amount of space. C) Maximun number in the area. D) The prey and preditors eating each other. Show Answer Correct Answer: B) Number of organim in a given amount of space. ← 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