This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 176 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 176 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The place an organism lives is called its A) Niche. B) Ecosystem. C) Habitat. D) Population. Show Answer Correct Answer: C) Habitat. 2. Which Disney movie mentions ecosystems A) Beauty and the Beast. B) Aladdin. C) Little Mermaid. D) Lion King. Show Answer Correct Answer: D) Lion King. 3. Parasitism is a relationship where: A) Both species are benefited. B) Both species are harmed. C) One species is benefited and the other is harmed. D) One species is benefited and the other is unaffected. Show Answer Correct Answer: C) One species is benefited and the other is harmed. 4. Producers such as plants and some bacteria are able to make their own food, so they can also be called ..... A) Autotrophs. B) Heterotrophs. C) Chloroplasts. D) Joules. Show Answer Correct Answer: A) Autotrophs. 5. What is the primary source of energy for all ecosystems? A) Plants. B) Animals. C) The water. D) The sun. Show Answer Correct Answer: D) The sun. 6. Organisms that feed on both living producers and other consumers. A) Carnivores. B) Omnivores. C) Herbivores. D) More destructive. Show Answer Correct Answer: B) Omnivores. 7. An organism's movement INTO an ecosystem is A) Emigration. B) Stability. C) Decline. D) Immigration. Show Answer Correct Answer: D) Immigration. 8. The burning of fossil fuels has harmed the environment by A) Decreasing acid rain in the northeast United States. B) Adding carbon dioxide to the atmosphere. C) Increasing biodiversity in the lakes and ponds of the Adirondacks. D) Depleting the ozone shield directly over western New York State. Show Answer Correct Answer: B) Adding carbon dioxide to the atmosphere. 9. The term 'biodiversity' is BEST described as A) The number of species on Earth. B) The variety of different life forms on Earth. C) The range of genera on Earth. D) The range of ecosystems on Earth. Show Answer Correct Answer: B) The variety of different life forms on Earth. 10. What level of organization is it when moles and rabbits dig underground to build home? A) Ecosystem. B) Population. C) Individual. D) Community. Show Answer Correct Answer: A) Ecosystem. 11. Symbiosis A) A relation in which two organisms live closely together. B) Parasite benefits host is hurt. C) One species benefits the other is neither hurt nor helped,. D) Both species benefit. Show Answer Correct Answer: A) A relation in which two organisms live closely together. 12. An organism that needs to eat other organisms to obtain energy is known as a: A) Mutualist. B) Producer. C) Autotroph. D) Consumer. Show Answer Correct Answer: D) Consumer. 13. All of the interacting species within a particular ecosystem A) Population. B) Biome. C) Organism. D) Community. Show Answer Correct Answer: D) Community. 14. Indicate if the organisms below are herbivores, carnivores, or plants.primary producer A) Plants. B) Herbivores. C) Carnivores. D) None of above. Show Answer Correct Answer: A) Plants. 15. What is the process in plants that produce food for the plants and oxygen. A) Photosnthesis. B) I don't know. C) Photosynthesis. D) Growing. Show Answer Correct Answer: C) Photosynthesis. 16. Sustainability refers to A) How many species are present in an ecosystem. B) When a species goes extinct. C) How long a species lives. D) The ability to maintain ecological process over long periods of time. Show Answer Correct Answer: D) The ability to maintain ecological process over long periods of time. 17. Which one is a biotic factor? A) Water. B) Sunlight. C) Air. D) Fungus. Show Answer Correct Answer: D) Fungus. 18. The most important reason for decrease in biodiversity is A) Habitat pollution. B) Introduction of exotic species. C) Over exploitation. D) Habitat destruction. Show Answer Correct Answer: D) Habitat destruction. 19. Example of mutualism A) Honey bee and a rose flower. B) Honey bee and honey suckle plant. C) A tapeworm in a human. D) Heart worms in dogs. Show Answer Correct Answer: B) Honey bee and honey suckle plant. 20. All animals in an ecosystem depend on ..... for energy. A) Decomposers. B) Producers. C) Consumers. D) Herbivores. Show Answer Correct Answer: B) Producers. ← 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