This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 249 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 249 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Worms are considered ..... A) Producer. B) Consumer. C) Decoposer. D) None of above. Show Answer Correct Answer: C) Decoposer. 2. Ostriches and gazelles are two animals that live in Africa. They graze for food near each other because they help each other spot predators. The gazelle has excellent eyesight, but poor hearing, and the ostrich has excellent hearing, but poor eyesight. These two animals will alert one another when danger is near. Which term best describes this relationship? A) Predation. B) Commensalism. C) Mutualism. D) Parasitism. Show Answer Correct Answer: C) Mutualism. 3. What is true about the pyramid of numbers? A) There are more producers than first-level consumers. B) First-level consumers make up the greatest number of individuals. C) There are more third-level consumers than second-level consumers. D) There are more second-level consumers than first-level consumers. Show Answer Correct Answer: B) First-level consumers make up the greatest number of individuals. 4. Some bacteria in the soil can change nitrogen compounds back into A) Proteins. B) Nitrogen gas. C) Sugar. D) Oxygen. Show Answer Correct Answer: B) Nitrogen gas. 5. Which best describes eutriphication? A) Pond slowly filling with sediment over time; becoming a forest. B) Growth of an ecosystem following a disturbance. C) Forest burning down. D) Humans causing succession. Show Answer Correct Answer: A) Pond slowly filling with sediment over time; becoming a forest. 6. Which animal is a predator in the rainforest? A) Giraffe. B) Zebra. C) Camel. D) Jaguar. Show Answer Correct Answer: D) Jaguar. 7. What is an advantage of using biomass-based fuels? A) It increases the amount of fossil fuels needed. B) It decreases the amount of nonrenewable resources needed. C) It increases the amount of nonrenewable resources needed. D) It will increase biodiversity. Show Answer Correct Answer: B) It decreases the amount of nonrenewable resources needed. 8. Which biome is the most diverse? A) Tropical rainforest. B) Tundra. C) Grassland. D) Deciduous rainforest. Show Answer Correct Answer: A) Tropical rainforest. 9. A diagram of the living things in an ecosystem that shows all of the paths energy can take as it travels from producers to consumers is a A) Food chain. B) Food web. Show Answer Correct Answer: B) Food web. 10. Consist of living things in an ecosystem A) Physical environment. B) Living environment. C) Food chain. D) Consumer. Show Answer Correct Answer: B) Living environment. 11. Which biome is characterized by little rain, hot days, and cool nights A) Hot desert. B) Tropical rainforest. C) Savannah. D) Tundra. Show Answer Correct Answer: A) Hot desert. 12. What is an organism that breaks down waste and dead organisms? A) Producer. B) Consumer. C) Decoposer. D) Autotroph. Show Answer Correct Answer: C) Decoposer. 13. Which relationship is referring to the contest among organisms to get all they need to survive? A) Symbiosis. B) Predation. C) Competition. D) Parasitism. Show Answer Correct Answer: C) Competition. 14. Box turtles get their energy from insects, berries, and fruit. Box turtles are ..... A) Producers. B) Herbivores. C) Omnivores. D) Carnivores. Show Answer Correct Answer: C) Omnivores. 15. The process where plants use water and carbon dioxide to provide food for themselves (and also let go oxygen) is called: A) Respiration. B) Predation. C) Photosynthesis. D) Chemosynthesis. Show Answer Correct Answer: C) Photosynthesis. 16. What organism eats the snake? A) Bird. B) Frog. C) Hawk. D) None. The snake is a top predator. Show Answer Correct Answer: C) Hawk. 17. It is not illegal to fish for salmon but there are very strict regulations A) True. B) False. Show Answer Correct Answer: A) True. 18. What is a group of ecosystems that share similar climates and types of organisms called? A) A community. B) A biome. C) An ecosystem. D) A biosphere. Show Answer Correct Answer: B) A biome. 19. What is energy lost off the trophic pyramid as? A) Heat. B) Water. C) Sunlight. D) Plants. Show Answer Correct Answer: A) Heat. 20. Large industrial use of wind energy: A) Is practical anywhere there is wind. B) Is restricted to localized areas of consistent wind. C) Cannot be developed anywhere. D) None of above. Show Answer Correct Answer: B) Is restricted to localized areas of consistent wind. ← 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