This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 125 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 125 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A bird living on a tree is an example of A) Commensalism. B) Mutualism. C) Parasitism. D) Predation. Show Answer Correct Answer: A) Commensalism. 2. Process where the cell uses its food and turns it into energy. A) Respiration. B) Photosynthesis. C) Mitochondria. D) Chloroplast. Show Answer Correct Answer: A) Respiration. 3. An animal that hunts and kills another animal for food A) Predator. B) Prey. C) Herbivore. D) Autotroph. Show Answer Correct Answer: A) Predator. 4. What does symbiosis mean? A) A.living separately, no relationship between 2 species. B) A.living together, close relationship between 2 species. C) A.Living separately, long distance relationship between 2 species. D) When one species kills and eats another. Show Answer Correct Answer: B) A.living together, close relationship between 2 species. 5. What kind of organism gets its energy by breaking down plants and animals? A) Decoposer. B) Consumer. C) Producer. D) None of above. Show Answer Correct Answer: A) Decoposer. 6. If the dod do as you tell him. He is ..... A) Good. B) Tame. C) Bad. D) Angry. Show Answer Correct Answer: B) Tame. 7. ..... is a part of oceans, air, rocks, soil, and all living things. A) Nitrogen. B) Water. C) Carbon. D) Silver. Show Answer Correct Answer: C) Carbon. 8. A hunter hunting a deer is an example of a(n) A) Immigration. B) Emigration. C) Limiting factor. D) Carrying capacity. Show Answer Correct Answer: C) Limiting factor. 9. An organism that obtains energy by consuming plants and animals. A) Omnivores. B) Carnivores. C) Herbivores. D) Humans. Show Answer Correct Answer: A) Omnivores. 10. What trophic level contains more organisms than any other level A) Primary producers. B) Primary consumers. C) Secondary autotrophs. D) None of above. Show Answer Correct Answer: A) Primary producers. 11. Alice is taking a test in which she has to define"commensalism" . She gets this word confused with "communism" . Please correct her mistake. A) Commensalism means a relationship in which one benefits and the other neither suffers nor benefits. B) This sounds like a math question . C) Communism is what Russia does. D) Commensalism is where both are harmed. Show Answer Correct Answer: A) Commensalism means a relationship in which one benefits and the other neither suffers nor benefits. 12. Which option is abiotic? A) Plants. B) Bacteria. C) Water. D) Fungi. Show Answer Correct Answer: C) Water. 13. Water and sunlight A) Hey. B) Biotic. C) Abiotic. D) None of above. Show Answer Correct Answer: C) Abiotic. 14. Limiting factors ..... A) Are resources that are in short supply and limit the size of a population. B) Are a cause of too much nitrogen in the water. C) Are hosts for parasites. D) Only found in the jungle. Show Answer Correct Answer: A) Are resources that are in short supply and limit the size of a population. 15. What percentage of energy is passed on to the next trophic level? A) 5%. B) 10%. C) 50%. D) 90%. Show Answer Correct Answer: B) 10%. 16. Which would NOT be a correct term to describe Simba (a lion) from the Lion King A) Consumer. B) Producer. C) Predator. D) Apex predator. Show Answer Correct Answer: B) Producer. 17. Why is a mushroom considered a heterotroph? A) It makes food through chemosynthesis. B) It makes food through photosynthesis. C) It obtains nutrients from its environment. D) None of above. Show Answer Correct Answer: C) It obtains nutrients from its environment. 18. Oxpeckers are birds that sit on zebras and rhinos and eat ticks and other parasites that live on their skin. The oxpeckers get food and in return the zebras and rhinos get pest control. When there is danger, the oxpeckers fly upward and scream a warning to help the zebras and rhinos. Which of the following correctly identifies the symbiotic relationship between the oxpeckers and the zebras? A) Parasitism. B) Commensalism. C) Mutualism. D) Competition. Show Answer Correct Answer: C) Mutualism. 19. A top predator such as a shark has a job to keep smaller fish populations under control. The role the shark plays on the reef is called its ..... A) Habitat. B) Trophic level. C) Competition. D) Ecological niche. Show Answer Correct Answer: D) Ecological niche. 20. Define population A) Place whereAn organism live. B) Role of an organism. C) A group of same species living at a particular geographical area. D) A population of different species living together in the same area. Show Answer Correct Answer: C) A group of same species living at a particular geographical area. ← 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