This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 67 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 67 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Remora are small fish with a sucker-like organ that allows them to attach themselves to larger animals like a shark. By doing this, the remora is able to gain protection from the presence of the shark while helping the shark stay clear from parasites. This relationship shows ..... ? A) Parasitism. B) Mutualism. C) Commensalism. D) Predation. Show Answer Correct Answer: B) Mutualism. 2. This large biome takes up about 70% of the Earth ..... A) Ocean. B) Freshwater. C) Rainforest. D) Tundra. Show Answer Correct Answer: A) Ocean. 3. What's COMMUNITY? A) The adaptation of species. B) Living creatures+non living substances. C) Individual of the same species in an area. D) The whole of living species in an area. Show Answer Correct Answer: D) The whole of living species in an area. 4. Much of Canada is covered in pine spruce forests. The winter is cold and long. What is this biome? A) Tundra. B) Taiga or boreal forest. C) Deciduous forest. D) Grassland. Show Answer Correct Answer: B) Taiga or boreal forest. 5. What gas makes up 78% of Earth's atmosphere? A) Nitrogen. B) Carbon Dioxide. C) Oxygen. D) Methane. Show Answer Correct Answer: A) Nitrogen. 6. True or Falase:A natural disater is am example of a limiting factor A) True. B) False. Show Answer Correct Answer: A) True. 7. In an Ecosystem, matter flows: A) One way. B) In a cycle. Show Answer Correct Answer: B) In a cycle. 8. What is the movement of nutrients from storage source to exchange source? A) Recycling. B) Cycle. C) Stabilization. D) Wheels. Show Answer Correct Answer: B) Cycle. 9. The largest number of individuals that an area can support is called its ..... A) Limiting factor. B) Abiotic factor. C) Resource availability. D) Carrying capacity. Show Answer Correct Answer: D) Carrying capacity. 10. What does a limiting factor do? A) Makes a population grow large. B) Stops a population from growing large. C) Helps organisms adapt to abiotic factors. D) Provides geographical boundaries for migration. Show Answer Correct Answer: B) Stops a population from growing large. 11. A condition that occurs when two or more organisms compete for the same resources A) Competition. B) Predation. C) Parasitism. D) Mutualism. Show Answer Correct Answer: A) Competition. 12. What is the term for a group of different species in a given area? A) Population. B) Ecosystem. C) Community. D) Biome. Show Answer Correct Answer: C) Community. 13. What is the difference between a community and an ecosystem? A) They are not different at all. B) A community is how living things that have something in common work together and an ecosystem is living and nonliving things working together. C) Only an ecosystem works together. D) Only a community works together. Show Answer Correct Answer: B) A community is how living things that have something in common work together and an ecosystem is living and nonliving things working together. 14. Biomass and biofuels are A) Renewable. B) Nonrenewable. C) Product. D) None of above. Show Answer Correct Answer: A) Renewable. 15. What shows a series of events in which one organism eats another and gets energy? A) Food chain. B) Food web. C) Energy pyramid. D) Food map. Show Answer Correct Answer: A) Food chain. 16. The study of the interaction of living organisms with each other and with their environment is ..... A) Ecology. B) Anatomy. C) Chemistry. D) Physics. Show Answer Correct Answer: A) Ecology. 17. Which ecosystem structure is considered a "non-living environment" ? A) Organic and inorganic compounds. B) Physical environment such as temperature, water, humidity. C) Changes due to disturbances such as earthquakes, volcanic eruptions. D) All items combined. Show Answer Correct Answer: D) All items combined. 18. Examples of ..... are lions, polar bears, and hawks A) Consumers. B) Carnivores. Show Answer Correct Answer: B) Carnivores. 19. Epiphytes use larger trees as a surface to grow but don't help nor harm the larger tree. Which type of symbiosis is this? A) Commensalism. B) Communism. C) Communion. D) Condominium. E) Commercialism. Show Answer Correct Answer: A) Commensalism. 20. In any food web, the organisms that are responsible for converting raw energy into usable chemical energy are collectively called ..... while organisms that recycle the nutrients trapped in dead organisms are collectively called ..... A) Producers;consumers. B) Producers; decomposers. C) Consumers; decomposers. D) None of above. Show Answer Correct Answer: B) Producers; decomposers. ← 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