This quiz works best with JavaScript enabled. Home > Science > Earth > Ecology – Quiz 164 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 164 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A certain fungus can be harmful when it infects the outermost layers of the human foot, while another type of fungus can be beneficial when it recycles nutrients by breaking down dead organisms. Which terms identify these two roles of fungi? A) Producer, prey. B) Host, autotroph. C) Parasite, decomposer. D) Herbivore, predator. Show Answer Correct Answer: C) Parasite, decomposer. 2. This entity will be the first one to colonize a bare rock A) Herbs and shrubs. B) Annual plants. C) Lichens. D) Perennial plants. Show Answer Correct Answer: C) Lichens. 3. Large-scale deforestation in tropical areas has occurred to: A) A Provide land for sunbathing and tourism. B) B Provide land for house building. C) C Provide land for cattle and rice fields. D) D Provide wood for burning in wood-fired stoves. Show Answer Correct Answer: C) C Provide land for cattle and rice fields. 4. Flea on a cat A) Competition. B) Parasitism. C) Mutualism. D) Predication. Show Answer Correct Answer: B) Parasitism. 5. What is the process in the nitrogen cycle that returns nitrogen back into the atmosphere? A) Ammonification. B) Nitrification. C) Nitrogen-fixing. D) Denitrification. Show Answer Correct Answer: D) Denitrification. 6. A ..... is all the living and nonliving things around you. A) Ecosystem. B) Community. C) Environment. D) Population. Show Answer Correct Answer: A) Ecosystem. 7. ..... is a group of the same species in a community. A) Habitat. B) Niche. C) Population. D) Community. Show Answer Correct Answer: C) Population. 8. A limitation of biological pyramids is that organisms have to be A) Kept alive for the study. B) Killed in order to obtain data. C) Identified by international experts. D) Observed for long periods of time in their natural habitats. Show Answer Correct Answer: D) Observed for long periods of time in their natural habitats. 9. When BOTH species/organisms BENEFIT from the relationship (bees and flower) A) Mutualism. B) Commensalism. C) Parasitism. D) Predation. Show Answer Correct Answer: A) Mutualism. 10. A remora eats food debris left over by a turtle. The turtle is not affected in anyway, but the remora gets a free meal. A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: B) Commensalism. 11. If one group of organisms is destroyed in a food web, it is possible that the whole food web will be affected. A) True. B) False. Show Answer Correct Answer: A) True. 12. Because increased carbon in the atmosphere traps heat in Earth's atmosphere, what is the name of the process that is intensified? A) Photosynthesis. B) Greenhouse effect. C) Respiration. D) Transpiration. Show Answer Correct Answer: B) Greenhouse effect. 13. A gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect A) Global warming. B) Pollution. C) Eutrophication. D) Agriculture. Show Answer Correct Answer: A) Global warming. 14. Which is an example of interspecific competition A) Trees in the rainforest competing for light. B) Tadpoles in a pond competing for food. C) Big horn sheep competing for mates. D) Wolves competing for food in the pack. Show Answer Correct Answer: A) Trees in the rainforest competing for light. 15. It is the upper limit of the biosphere A) Troposphere layer. B) Upper layer of the stratosphere. C) International space station. D) Ozone layer. Show Answer Correct Answer: D) Ozone layer. 16. Which is the best description of an ecosystem? A) All of the living and nonliving things in an area. B) All of the individuals of one species in an are. C) All of the populations of living things in an area. D) All of the abiotic factors in an area. Show Answer Correct Answer: A) All of the living and nonliving things in an area. 17. Events that take place in a biome are shown in the diagram below. What information is represented in the diagram? A) Respiration and photosynthesis are connected. B) Transpiration is related to the nitrogen level in bacteria. C) Relationship between Predators and their prey. D) Decomposers decompose organic materials and release nutrients that is utilized by other organisms. Show Answer Correct Answer: D) Decomposers decompose organic materials and release nutrients that is utilized by other organisms. 18. What is an animal that only eats meat called? A) Carnivore. B) Herbivore. C) Omnivore. D) None of above. Show Answer Correct Answer: A) Carnivore. 19. Factors in the environment that affect populations regardless of their density (examples:temperature, weather) A) Density-dependent. B) Density-independent. Show Answer Correct Answer: B) Density-independent. 20. Organic renewable resources come from living things A) Animals and trees. B) Wind and trees. C) Water and sun. D) None of above. Show Answer Correct Answer: A) Animals and trees. ← 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