This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology β Quiz 85 π Homepage π Download PDF Books π Premium PDF Books Ecology Quiz 85 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. John Cena wanted to examine a decomposer. What would he need to see it with? A) Telescope. B) Magnifying glass. C) Microscope. D) None of above. Show Answer Correct Answer: C) Microscope. 2. A stimulus can be external or internal. A) False. B) True. Show Answer Correct Answer: B) True. 3. As part of the carbon cycle, organisms release carbon dioxide into the atmosphere during ..... It can then be taken in by plant leaves and used to make food. A) Transpiration. B) Photosynthesis. C) Cellular respiration. D) Chemosynthesis. Show Answer Correct Answer: C) Cellular respiration. 4. Which of the following is not a possible cause of ecological succession? A) Fire. B) Change of season. C) Earthquake. D) Flood. Show Answer Correct Answer: B) Change of season. 5. A raccoon eats a fish, the fish eats a dragonfly larva, the dragonfly larva eats a mosquito larva, and the mosquito larva eats algae (a producer). which one is a tertiary consumer A) Fish. B) Mosquito larva. C) Raccoon. D) Dragonfly larva. Show Answer Correct Answer: A) Fish. 6. What is it called when rain falls from the clouds? A) Precipitation. B) Transpiration. C) Evaporation. D) Condensation. Show Answer Correct Answer: A) Precipitation. 7. What is the second level of a food chain? A) Primary consumer. B) Tertiary consumer. C) Producer. D) Secondary consumer. Show Answer Correct Answer: A) Primary consumer. 8. Amount of crops produced per unit area A) Yield. B) Famine. C) Malnutrition. D) Diet. Show Answer Correct Answer: A) Yield. 9. How is energy transferred in an energy pyramid? A) 10% to the level above, 90% lost as heat. B) 90% to the level above, 10% lost as heat. C) 100% to the level above, 90% lost as heat. D) 90% to the level above, 90% lost as heat. Show Answer Correct Answer: A) 10% to the level above, 90% lost as heat. 10. How many frogs have become extinct in North and South America in the last 100 years A) 5. B) 8. C) 10. D) None of above. Show Answer Correct Answer: B) 8. 11. A relationship between two organisms in which one organism benefits and the other is unharmed A) Commensalism. B) Parasitism. C) Competition. D) Mutualism. Show Answer Correct Answer: A) Commensalism. 12. An organism that can make its own food is called a A) Consumer. B) Decoposer. C) Producer. D) Composer. Show Answer Correct Answer: C) Producer. 13. Which word means nonliving A) Abiotic. B) Ecosystem. C) Biotic. D) Species. Show Answer Correct Answer: A) Abiotic. 14. After the first trophic level-what percentage of energy is available to each of the following levels? A) 100%. B) 10%. C) 8.5%. D) 90%. Show Answer Correct Answer: B) 10%. 15. An area that is partly covered by water or flooded part of each year. A) Coral reef. B) Wetland. C) River. D) Deep sea. Show Answer Correct Answer: B) Wetland. 16. Plants in the desert are able to store ..... in their roots, stems and leaves. A) Water. B) Nocturnal. C) Driest. D) Evaporation. Show Answer Correct Answer: A) Water. 17. A necessary link between autotrophs and carnivores is filled by A) Herbivores. B) Scavengers. C) More destructive. D) Decomposers. Show Answer Correct Answer: A) Herbivores. 18. Which type of population growth occurs under ideal conditions with unlimited resources? A) Linear Growth. B) Economic Growth. C) Exponential Growth. D) Logistic Growth. Show Answer Correct Answer: C) Exponential Growth. 19. Coal is a solid fossil fuel formed from ..... A) Hardened lava. B) Rocks. C) The remains of animals. D) Decaying plant remains. Show Answer Correct Answer: D) Decaying plant remains. 20. Slight differences in inherited traits in individual organisms in a species A) Competition. B) Natural selection. C) Variations. D) Camouflage. Show Answer Correct Answer: C) Variations. 21. Which relationship is referring an interaction in which one organism kills another for food or nutrients? A) Parasite-Host. B) Parasitism. C) Predator-Prey. D) Symbiosis. Show Answer Correct Answer: C) Predator-Prey. 22. Select the right translation:to throw away A) Dismiss. B) Jeter. C) Exceed. D) Scatter. Show Answer Correct Answer: B) Jeter. 23. Just like energy, matter is lost as it passes through an ecosystem. A) True. B) False. Show Answer Correct Answer: B) False. 24. Which two Biome is the most biologically diverse A) Tropical Rain Forest and coral reefs. B) Desert and tundra. C) Tundra and grassland. D) Tropical Savanna and tropical rainforest. Show Answer Correct Answer: A) Tropical Rain Forest and coral reefs. 25. A type of symbiosis in which one organism benefits and the other in neither benefited nor hurt is ..... A) Commensalism. B) Parasitism. C) Mutualism. D) Symbiosis. Show Answer Correct Answer: A) Commensalism. 26. Select all the following answers for:Ecology is the study of A) Ecosystems and how many different species interact in an environment. B) Micro organisms. C) Non-living factors. D) Echolocation by dolphins and whales. Show Answer Correct Answer: A) Ecosystems and how many different species interact in an environment. 27. Which of these is a biotic factor in a river ecosystem? A) The types of microorganisms that live in the river water. B) The amount of soil and other particles carried by the river. C) The speed at which the river water flows toward the ocean. D) The amount of rain that flows off the land and into the river. Show Answer Correct Answer: A) The types of microorganisms that live in the river water. 28. ..... is a series of organized changes in an ecosystem over time. A) Evolution. B) Mutation. C) Succession. D) None of above. Show Answer Correct Answer: C) Succession. 29. Relationship in which one organism benefits at the expense of the other organism A) Parasitism. B) Symbiosis. C) Mutualism. D) None of above. Show Answer Correct Answer: A) Parasitism. 30. Organisms living here must have adaptations to tolerate being exposed to the atmosphere A) Intertidal ZonΓ©. B) Photic Zone. C) Oceanic Zone. D) Talk Zone. E) Neritic Zone. Show Answer Correct Answer: A) Intertidal ZonΓ©. 31. Indicate if the organisms below are herbivores, carnivores, or plants.secondary consumer A) Plants. B) Herbivores. C) Carnivores. D) None of above. Show Answer Correct Answer: C) Carnivores. 32. Water quality criteria A) Water quality criteria. B) Water. C) Distilled water. D) Hard water. Show Answer Correct Answer: A) Water quality criteria. 33. Ruby-throated hummingbirds live in woodland areas, but also frequent gardens where flowering plants are plentiful. They hover to feed on flowers, nectar, and sap. During this floral feeding process, the birds pollinate many plants. These tiny birds are omnivores, sometimes feeding on insects and spiders. A) Niche of an autotroph. B) Habitat of a heterotroph. C) Habitat of an autotroph. D) Niche of a heterotroph. Show Answer Correct Answer: D) Niche of a heterotroph. 34. What is an example of abiotic A) Fallen log. B) Frog. C) Sunlight. D) None of above. Show Answer Correct Answer: C) Sunlight. 35. What is the relationship between individuals of each species called? A) Heterotypic connection. B) Homotypic connection. C) Useful communication. D) Eat together. E) Dishonesty. Show Answer Correct Answer: A) Heterotypic connection. 36. Which level of consumer would the mountain lion NOT BE? A) Primary COnsumer. B) Secondary Consumer. C) Tertiary Consumer. D) Quaternary Consumer. Show Answer Correct Answer: A) Primary COnsumer. 37. Plants use nitrogen gas from the air to make organic compounds. A) True. B) False. Show Answer Correct Answer: B) False. 38. Which is an example of a seasonal change to a biotic factor? A) Temperatures get cooler in the fall. B) Hours of sunlight increase the summer. C) Birds fly south for the winter. D) Rainfall increases in the spring. Show Answer Correct Answer: C) Birds fly south for the winter. 39. Complete the definition:Environment-The total of all of the surroundings-air, water, ....., human element, wildlife-that has influence on you and your existence, including physical, biological and all other factors A) Vegans. B) Plants. C) Vegetables. D) Vegetation. Show Answer Correct Answer: D) Vegetation. 40. What is NOT a sustainable practice? A) Recycling. B) Reusing. C) Reducing. D) Buying. Show Answer Correct Answer: D) Buying. 41. A diagram that shows the amount of energy that moves from one feeding level to another is termed ..... A) Adaptation. B) Autotroph. C) Food web. D) Energy pyramid. Show Answer Correct Answer: D) Energy pyramid. 42. A honeybee colony contains three types of bees: A) One queen, some drones, no worker bees. B) One queen, drones, worker bees. C) Worker bees, queen, no drones. D) Drones, queens,. Show Answer Correct Answer: B) One queen, drones, worker bees. 43. What is NOT an example or precipitation? A) Wind. B) Rain. C) Snow. D) Sleet. Show Answer Correct Answer: A) Wind. 44. Consumers cannot do which of the following A) Carry out respiration. B) Change sugars into energy. C) Give off oxygen. D) Give off carbon dioxide. Show Answer Correct Answer: C) Give off oxygen. 45. Density independent limiting factors are factors that do not depend on the number of organisms within a given population. Which is an example of Density Independent limiting factors? A) Emigration rate. B) Forest fire. C) Parasites. D) Disease. Show Answer Correct Answer: B) Forest fire. 46. During which phase of the nitrogen cycle do decomposers break down nitrates into ammonium? A) Denitrification. B) Nitrification. C) Ammonification. D) Assimilation. Show Answer Correct Answer: C) Ammonification. 47. What biome do we live in and what are its characteristics? A) Temperate Deciduous Forest-4 seasons, warm summers, cool winters, rainfall year-round. B) Tropical Rainforest-no winters, heavy rainfall, hot and humid year-round. C) Alpine Tundra-mountains, cold, treeless and frozen landscape. D) Savanna-dry flat grassland, few trees. Show Answer Correct Answer: A) Temperate Deciduous Forest-4 seasons, warm summers, cool winters, rainfall year-round. 48. Which is the definition of a community A) Multiple organisms of the same species. B) All the living and nonliving things in an area. C) A living thing. D) Multiple organisms of different species. Show Answer Correct Answer: D) Multiple organisms of different species. 49. The word that best describes the average conditions over time is? A) Climate. B) Global average. C) Weather. D) Precip and Temp. Show Answer Correct Answer: A) Climate. 50. What is the group in an experiment that receives treatment with the independent variable? A) Control group. B) Experimental group. Show Answer Correct Answer: B) Experimental group. 51. What are the three components of soil? A) Insects, sand, topsoil. B) Clay, sand, humus. C) Topsoil, subsoil, bedrock. D) Earthworms, sand, silt. Show Answer Correct Answer: B) Clay, sand, humus. 52. Which biome has an abundance of grass and flowers, erratic precipitation, is warm in summer, and very cold in winter? A) Shrubland. B) Grassland. C) Temperate deciduous rainforest. D) Coniferous rainforest. Show Answer Correct Answer: B) Grassland. 53. The element of life is A) Water. B) Oxygen. C) Carbon dioxide. D) Carbon. Show Answer Correct Answer: D) Carbon. 54. Where did all of the energy in this food web originally come from? A) Air. B) Sun. C) Producers. D) Soil. Show Answer Correct Answer: B) Sun. 55. What was NOT a part of the water cycle? A) Condensation. B) Evaporation. C) Decompostition. D) Precipitation. Show Answer Correct Answer: C) Decompostition. 56. In an ecosystem, grass is eaten by mice and mice are eaten by snakes. If the mouse population decreases, what happens to the snake population? A) Increases. B) Decreases. C) Stays the same. D) None of above. Show Answer Correct Answer: B) Decreases. 57. The highest concentration of life exists in the top 200 meters of ocean water. What is the most important factor that influences the concentration of life? A) Amount of sunlight. B) Amount of gases at the surface. C) Amount of nutrients in the water. D) Large number of predators at lower depths. Show Answer Correct Answer: A) Amount of sunlight. 58. Estuary water should have A) Less salt than the ocean. B) More salt than the ocean. C) No salt. D) None of above. Show Answer Correct Answer: A) Less salt than the ocean. 59. Organisms that eat only meat are A) Herbivores. B) Carnivores. C) More destructive. D) Omnivores. Show Answer Correct Answer: B) Carnivores. 60. This biome has low biodiversity is subarid and subarctic and has poor soil quality A) Marine. B) Desert. C) Tundra. D) Taiga. Show Answer Correct Answer: D) Taiga. 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