This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology β Quiz 27 π Homepage π Download PDF Books π Premium PDF Books Ecology Quiz 27 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What type of relationship is it referring to when talking about mutualism, commensalism, and parasitism? A) I have no clue. B) Symbiosis Relationships. C) Cooperation. D) CoevolutionRelationships. Show Answer Correct Answer: B) Symbiosis Relationships. 2. What is the PROCESS called where PRODUCERS make food using energy? A) Cellular Respiration. B) Carbon Cycle. C) Photosynthesis. D) Nitrogen Fixation. Show Answer Correct Answer: C) Photosynthesis. 3. A pyramid shape is used to show the amount of available energy at each trophic level because ..... A) Energy decreases as you go up the food chain, just like the pyramid shape gets smaller as you go up. B) Energy increases up the food chain just like the pyramid shape gets smaller as you go up. C) Energy amounts are the same at each trophic level. D) None of above. Show Answer Correct Answer: A) Energy decreases as you go up the food chain, just like the pyramid shape gets smaller as you go up. 4. Living things in an ecosystem A) Biotic. B) Community. C) Comsurmer. D) Abiotic. Show Answer Correct Answer: A) Biotic. 5. The scientific name for an organism includes which taxa? A) Class and family. B) Genus and species. C) Domain and kingdom. D) Kingdom and phylum. Show Answer Correct Answer: B) Genus and species. 6. Approximately 90 percent of energy iconsumed by an organism is lost to ..... A) Inefficiencies in its metabolism. B) Repairing cells. C) Carbon dioxide. D) Growth. Show Answer Correct Answer: A) Inefficiencies in its metabolism. 7. A tick living on a dog A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: C) Parasitism. 8. An example of an abiotic factor is: A) Sun. B) Bacteria. C) Phytoplankton. D) Fungi. Show Answer Correct Answer: A) Sun. 9. Which of the following is a community of plants that is relatively stable and has reached the end stage of ecological succession? A) Biome. B) Intermediate forest. C) Succession grassland. D) Climax community. Show Answer Correct Answer: D) Climax community. 10. What is the science of organizing, classifying and naming living things. A) Toxicology. B) Taxonomy. C) Taxidermy. D) Taxicab. Show Answer Correct Answer: B) Taxonomy. 11. It takes about 200 years with primary succession and about 50 years with primary succession to reach this conclusion A) Climax community. B) Rich soil. C) Land recycling. D) Fire. Show Answer Correct Answer: A) Climax community. 12. How many liters of water A) 1L. B) Vinegar. C) 2. D) Say. Show Answer Correct Answer: A) 1L. 13. What is a Decomposer? A) It an animal that eats everything. B) Its an plant that eats dead animals and plants. C) It a human. D) It the sun. Show Answer Correct Answer: B) Its an plant that eats dead animals and plants. 14. Environmental Ρontamination earthquake cliff A) Environmental protection. B) Outputs/emissions. C) Environmental emergency. D) Environmental pollution. Show Answer Correct Answer: D) Environmental pollution. 15. In an ecosystem there are more ..... than ..... A) Lions, birds. B) Producers, consumers. C) Energy, producers. D) Consumers, producers. Show Answer Correct Answer: B) Producers, consumers. 16. Non-living things A) Biotic. B) Abiotic. Show Answer Correct Answer: B) Abiotic. 17. Which term best describes the flow of water over land? A) Condensation. B) Transpiration. C) Precipitation. D) Runoff. Show Answer Correct Answer: D) Runoff. 18. What kind of organism gets energy by eating living things? A) Decoposer. B) Consumer. C) Producer. D) None of above. Show Answer Correct Answer: B) Consumer. 19. Study of interactions between organisms and with the physical and chemical environment A) Ecosystem. B) Environment. C) Ecology. D) Environmentalist. Show Answer Correct Answer: C) Ecology. 20. What are some problems associated with low tide? A) Waves crashing on shore may affect an organism's ability to hold on. B) Organisms may dry out due to lack of water. C) Organisms are exposed to direct sunlight. D) All of the above. Show Answer Correct Answer: D) All of the above. 21. What is global warming? A) The rapid rise of Earth's average temperature. B) The rapid rise of the United States' average temperature. C) The steady rise of the United States' daily temperature. D) The steady rise of earth's daily temperature. Show Answer Correct Answer: A) The rapid rise of Earth's average temperature. 22. A tertiary consumer would get ..... % of the stored energy in the secondary consumer. A) 100%. B) 20%. C) 1%. D) 10%. Show Answer Correct Answer: D) 10%. 23. What affects population density A) Emigration. B) Immigration. C) Birth and death rate. D) All of the above. Show Answer Correct Answer: D) All of the above. 24. What is the original source for all energy in an ecosystem? A) Air. B) Sun. C) Producers. D) Water. Show Answer Correct Answer: B) Sun. 25. A difference between photosynthesis and chemosynthesis A) Photosynthesis doesn't use light and chemosynthesis does. B) Photosynthesis makes sugar and chemosynthesis doesn't. C) Photosynthesis uses light and chemosynthesis doesn't. D) Photosynthesis doesn't make sugar and chemosynthesis does. Show Answer Correct Answer: C) Photosynthesis uses light and chemosynthesis doesn't. 26. A density-dependent limiting factor is A) A factor that changes after exponential growth. B) A limiting factoer that depends on population size; example-disease. C) An organism tht keeps eating and reproducing. D) When people keep reproducing until there's no more food to support them. Show Answer Correct Answer: B) A limiting factoer that depends on population size; example-disease. 27. Many people value biodiversity because it A) Provides natural resources. B) Provides foods and goods. C) Provides medicines. D) All of the above. Show Answer Correct Answer: D) All of the above. 28. The smallest level of organization listed below is ..... A) An ecosystem. B) A community. C) The biosphere. D) A population. Show Answer Correct Answer: D) A population. 29. What do plants make by using air, water, and energy from the Sun? A) Food. B) Heat. C) Soil. D) Wind. Show Answer Correct Answer: A) Food. 30. Which two cycles are affected the most by fertilizers? A) Carbon cycle and water cycle. B) Carbon cycle and phosphorous cycle. C) Nitrogen cycle and phosphorous cycle. D) Carbon cycle and nitrogen cycle. Show Answer Correct Answer: C) Nitrogen cycle and phosphorous cycle. 31. The term "species" is synonymous with the term "breed" . A) True. B) False. Show Answer Correct Answer: B) False. 32. What is a Biotic factor? A) A population. B) A limiting factor. C) All living organisms inhabiting earth. D) None of above. Show Answer Correct Answer: C) All living organisms inhabiting earth. 33. What type of relationship results when food supply is limited? A) Climax Community. B) Parasitism. C) Competition. D) Commensalism. Show Answer Correct Answer: C) Competition. 34. 90% of energy lost to A) All answer. B) Heat. C) Respiration. D) Egestion. E) Excretion. Show Answer Correct Answer: A) All answer. 35. Which of the following describes an interaction between a biotic factor and an abiotic factor? A) A vulture eats the remains of a wild pig. B) A squirrel gathers nuts to store for winter. C) A black bear uses a cave for a winter home. D) A pair of birds build a nest in a tree. Show Answer Correct Answer: C) A black bear uses a cave for a winter home. 36. What's ECOSYSTEM? A) Individual of the same species in an area. B) The whole of living species in an area. C) Living creatures+non living substances. D) The adaptation of species. Show Answer Correct Answer: C) Living creatures+non living substances. 37. Which of the following heterotrophs consumes meat? A) Herbivore. B) Carnivore. C) Detritivore. D) Omnivore. Show Answer Correct Answer: B) Carnivore. 38. How does acid rain affect humans? A) Air pollution gets into our lungs and water. B) It burns our clothes. C) It makes us blind. D) It makes us blonde. Show Answer Correct Answer: A) Air pollution gets into our lungs and water. 39. Population density refers to how ..... a population is in a specific area. A) Big. B) Small. C) Crowded. D) All of the above. Show Answer Correct Answer: C) Crowded. 40. A square kilometer of forest has 200 deer. What is the term that is used to describe this number? A) Density-Dependent. B) Birth rate. C) Limiting factors. D) Population Density. Show Answer Correct Answer: D) Population Density. 41. If a natural disaster like a hurricane occurs and wipes out a large amount of biomass, what would most likely result? A) Carrying capacity would increae. B) Habitat size would increase. C) Fresh water would increase. D) Carrying capacity would decrease. Show Answer Correct Answer: D) Carrying capacity would decrease. 42. This biome has a constant mixing of cold and warm water currents and includes organism such as whales, sharks, and floating algae A) Coral reef. B) Lakes. C) Open ocean. D) Beach. Show Answer Correct Answer: C) Open ocean. 43. Plants use ..... to make their own food A) Water. B) Sunlight. C) Carbon dioxide. D) All of these. Show Answer Correct Answer: D) All of these. 44. Is a plant a heterotroph? A) No. B) Yes. Show Answer Correct Answer: A) No. 45. Which of the following is not an abiotic factor that can affect plants? A) Light intensity. B) Availability of oxygen. C) Soil pH. D) Temperature. Show Answer Correct Answer: B) Availability of oxygen. 46. If a prey species becomes extinct, what else is most likely to happen? A) The plants the species ate will also go extinct. B) The predators that eat the prey may be threatened. C) The habitats that the species lived in will be threatened. D) The climate the species lived in will change. Show Answer Correct Answer: B) The predators that eat the prey may be threatened. 47. The desert receives about as much rainfall as the A) Tundra. B) Tropical forest. C) Grassland. D) Taiga. Show Answer Correct Answer: A) Tundra. 48. Species that move in from another area and take over, causing harm. A) Native species. B) Your mom. C) Invasive species. D) Family. Show Answer Correct Answer: C) Invasive species. 49. A consumer that only eats plants is called a(n) what? A) Carnivore. B) Herbivore. C) Decoposer. D) Omnivore. Show Answer Correct Answer: B) Herbivore. 50. A ..... is a group of organisms that can interbreed and produce viable offspring. A) Phylum. B) Genus. C) Species. D) Kingdom. Show Answer Correct Answer: C) Species. 51. (True or False)-Organisms that are Heterotrophic can make their own food through the process of Photosynthesis. A) True. B) False. Show Answer Correct Answer: B) False. 52. Creatures that can live in extreme environments are A) Extremists. B) Extremophiles. C) Extremely rare. D) Hooligans. Show Answer Correct Answer: B) Extremophiles. 53. Nuri lives in an area where there is little rain and not many plants. The daytime temperatures can be much higher than nighttime temperatures. Where does Nuri live? A) Deciduous forest. B) Grassland. C) Desert. D) Tropical rain forest. Show Answer Correct Answer: C) Desert. 54. What is the correct order of the water cycle? A) Condensation, Evaporation, Runoff, Precipitation. B) Runoff, Precipitation, Condensation, Evaporation. C) Evaporation, Condensation, Precipitation, Runoff. D) Evaporation, Precipitation, Runoff, Condensation. Show Answer Correct Answer: C) Evaporation, Condensation, Precipitation, Runoff. 55. S located near the North Pole. A thin layer of soil covers something called permafrost, a layer of ground that is permanently frozen, so it never thaws. Most of the year the temperature is below freezing, and very little rain falls there. It is the coldest biome. A) Subpermafrost. B) Arctic. C) Tundra. D) Come on. Show Answer Correct Answer: C) Tundra. 56. Bacteria living in the roots of legumes can absorbe nitrogen from the air and convert it into ammonia by which process? A) Nitrogen fixation. B) Hydrogen fixation. C) Oxygen fixation. D) Carbon fixation. Show Answer Correct Answer: A) Nitrogen fixation. 57. Classification of environmental factors: A) Biogenesis and abiogenesis. B) Biological and chemical. C) Biotic and abiotic, anthropogenic. D) Ecological and non-ecological. E) Factored and unfactored. Show Answer Correct Answer: C) Biotic and abiotic, anthropogenic. 58. In an logistical population growth model, the line resembles a/an ..... A) L. B) S. C) V. D) J. Show Answer Correct Answer: B) S. 59. Any thing or organism that regulates the size of a population of another organism is known as ..... A) Materialization of precipitation. B) Factorization. C) A limiting measure. D) A limiting factor. Show Answer Correct Answer: D) A limiting factor. 60. What type of symbiosis? *Remora use suckers to attach temporarily to large marine animals such as sharks, manta rays, whales, turtles, or large fish. *The shark provides free transportation, protection, and dropped food and feces which the remora feeds on. The host is not injured. A) Mutualism. B) Predation. C) Parasitism. D) Commensalism. Show Answer Correct Answer: D) Commensalism. β PreviousNext βRelated QuizzesScience QuizzesGeneral Knowledge QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8 π Back to Homepage π Download PDF Books π Premium PDF Books