This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is precipitation? A) Sweat from our bodies on hot days. B) Warm rain but not cold snow or sleet. C) Gas that we use in furnaces or ovens. D) Any form of water that falls from the sky. Show Answer Correct Answer: D) Any form of water that falls from the sky. 2. Which of the following BEST describes an ecological niche? A) Relationship between the species and other organisms in the habitat. B) Functional role that the organism plays in its habitat. C) Habitat that provides food for the organism. D) Habitat that provides the most suitable environmental conditions for the organism. Show Answer Correct Answer: B) Functional role that the organism plays in its habitat. 3. How do plants get their source of energy (food)? A) Plants get their food from the soil and water. B) Plants use the energy from the sun, air, and water to make their food. C) Plants get their food from minerals. D) Plants get their food from the decaying plants and animals. Show Answer Correct Answer: B) Plants use the energy from the sun, air, and water to make their food. 4. Ecological pyramid is ..... A) Geraph of population. B) Graphical representation of tropic levels. C) Graph of column. D) Graphical representation of student number. Show Answer Correct Answer: B) Graphical representation of tropic levels. 5. An adaptation allowing an organism to blend into its environment is called: A) Camouflage. B) Mimicry. Show Answer Correct Answer: A) Camouflage. 6. Nitrification happens in the ..... A) Air. B) Soil. C) Plants. D) Ground Water. Show Answer Correct Answer: B) Soil. 7. A tapeworm and a cat have this type of relationship. A) Mutualism. B) Competition. C) Parasitism. D) Commensalism. Show Answer Correct Answer: C) Parasitism. 8. Biotic limiting factors are ..... A) Living. B) Nonliving. Show Answer Correct Answer: A) Living. 9. What is the difference between "emigration" and "immigration" ? A) There is no difference. B) Emigration is when organisms move in, and immigration is when organisms leave. C) Emigration is when organisms leave and immigration is when organisms move in. D) Emigration is when organisms eat, immigration is when organisms sleep. Show Answer Correct Answer: C) Emigration is when organisms leave and immigration is when organisms move in. 10. The transfer of food from one trophic level to the next is accompanied by ..... A) Macronutrients only. B) Energy loss. C) Micronutrients only. D) An energy gain. Show Answer Correct Answer: B) Energy loss. 11. The function or position of an organism or a population within an ecological community is its A) Niche. B) Ecology. C) Biosphere. D) Species. Show Answer Correct Answer: A) Niche. 12. A local company dumped sewage into the wetlands. As a result, most fish in the wetlands died. This decrease in the number of fish will probably result in A) Fewer birds. B) Fewer mice. C) Fewer spiders. D) Fewer insects. Show Answer Correct Answer: A) Fewer birds. 13. If the amount of energy at the primary consumer level is 5, 000 kcal, how much energy do the lions have? A) 0.5 kcal. B) 5 kcal. C) 500 kcal. D) 50 kcal. Show Answer Correct Answer: D) 50 kcal. 14. A blueberry bush, a rabbit, and a fox can be members of the same: A) Kingdom. B) Species. C) Community. D) Population. Show Answer Correct Answer: C) Community. 15. When an ecosystem changes over time to lead to new communities and environments, what is that called? A) Evolution. B) Ecology. C) Migration. D) Succession. Show Answer Correct Answer: D) Succession. 16. What is the role of denitrifying bacteria A) Change nitrate back into nitrogen gas. B) Absorb carbon dioxide in the soil. C) Change nitrogen gas into nitrate. D) Release oxygen gas into the atmosphere. Show Answer Correct Answer: A) Change nitrate back into nitrogen gas. 17. What differs immigration from emigration? A) A brick wall. B) Emigration is leaving while immigration means coming in. C) They're the same thing. D) Em and im. Show Answer Correct Answer: B) Emigration is leaving while immigration means coming in. 18. A wolf eats a rabbit, that just ate some berries. What would you call the rabbit? A) Producer. B) Primary Consumer. C) Omnivore. D) 2nd order Heterotroph. Show Answer Correct Answer: B) Primary Consumer. 19. "There is only enough space in this room to sit 27 students."Space would be a ..... in this room A) Deflector. B) Carrying Capactiy. C) Limiting Factor. D) Death Variable. Show Answer Correct Answer: C) Limiting Factor. 20. Which is NOT an abiotic factor: A) Bacteria;. B) Air. C) Soil. D) Water. Show Answer Correct Answer: A) Bacteria;. 21. Phytocenosis is: A) Plant communities that make up the biocenosis. B) Herbivores of the biocenosis. C) Carnivores of the biocenosis. D) Organisms that mineralize organic residues. Show Answer Correct Answer: A) Plant communities that make up the biocenosis. 22. Which ecosystem below describes a stable ecosystem? A) This ecosystem is impacted by overfishing, causing 3 fish species to become extinct. B) This ecosystem's deer have increased due the loss of a predator population, now the producer population has decreased by ¼. C) An invasive species decreased the amount of biodiversity by half. D) This ecosystem suffered a tornado, but due to great biodiversity, it was able to be restored. Show Answer Correct Answer: D) This ecosystem suffered a tornado, but due to great biodiversity, it was able to be restored. 23. Many turtles living together is called a ..... A) Coomunity. B) Population. C) Organism. D) Ecosystem. Show Answer Correct Answer: B) Population. 24. In food webs and food chains, the arrow points in the direction of ..... A) Producers. B) The sun. C) Who gets eaten. D) The flow of energy. Show Answer Correct Answer: D) The flow of energy. 25. Which of the following is an example of a first order consumer? A) Predator. B) Carnivore. C) Scavenger. D) Herbivore. Show Answer Correct Answer: D) Herbivore. 26. Combustion is another word for ..... A) Fossil Fuels. B) Burning. C) Transportation. D) Respiration. Show Answer Correct Answer: B) Burning. 27. Boom and bust cycles, where populations will grow and shrink over and over, are usually caused by ..... A) Predator-Prey Relationships. B) Parasite-Host relationships. C) Extinction. D) None of these. Show Answer Correct Answer: A) Predator-Prey Relationships. 28. Haifa, Tel Aviv and Jerusalem are..... A) Continent. B) River. C) Village. D) Cities. Show Answer Correct Answer: D) Cities. 29. The statistical study of populations A) Growth rate. B) Dispersion. C) Demography. D) Density. Show Answer Correct Answer: C) Demography. 30. An organism that consumes consumers (animals) for food is called a ..... A) Detrivorous. B) Carnivore. C) Herbivore. D) Omnivore. Show Answer Correct Answer: B) Carnivore. 31. The living aspects of the environment A) Biotic factor. B) Biomass. Show Answer Correct Answer: A) Biotic factor. 32. Cannot make its own food A) Heterotroph. B) Biomass. C) Producer. D) Autotroph. Show Answer Correct Answer: A) Heterotroph. 33. Producers make their own ..... ? A) Niche. B) Food/Energy. C) Ecosystem. D) Shelter. Show Answer Correct Answer: B) Food/Energy. 34. Select the predator-prey relationship A) Lion/gazelle. B) Clown fish/anenome. C) Flea/dog. D) Rabbit/grass. Show Answer Correct Answer: A) Lion/gazelle. 35. Which statement best describes an ecosystem maintaining a state of approximate equilibrium? A) Nutrients from decayed organisms arerecycled in a forest ecosystem. B) All the frog species in a South American rainforest become extinct. C) A mutation spreads through a species ofbacterium, making them unable to decomposewastes. D) Mice are released into a field ecosystem asfood for a declining predator population. Show Answer Correct Answer: A) Nutrients from decayed organisms arerecycled in a forest ecosystem. 36. What gas is released by producers that consumers take in to survive? A) Nitrogen. B) Carbon dioxide. C) Oxygen. D) Water vapor. Show Answer Correct Answer: C) Oxygen. 37. A living part of an ecosystem is called a A) Biotic factor. B) Abiotic factor. C) Organism. D) None of above. Show Answer Correct Answer: A) Biotic factor. 38. Plants, animals, and bacteria are ..... factors. A) Biotic. B) Abiotic. C) Nonliving. D) None of above. Show Answer Correct Answer: A) Biotic. 39. The temperate forest is a type of terrestrial biome.Which of the following are characteristic of a temperate forest? A) Elk and caribou migrating during the early summer to graze on lichen and grasses. B) Warm weather, plentiful rain, and diverse plant and animal life. C) Cold winters, short summers, and frozen subsoil, even in the summer. D) Warm summers, cold winters, squirrels, and deciduous trees. Show Answer Correct Answer: D) Warm summers, cold winters, squirrels, and deciduous trees. 40. Which level is said to be a group of the same species living in the same area at the same time? A) Species. B) Ecosystem. C) Population. D) Community. Show Answer Correct Answer: C) Population. 41. Birds parent their offspring. A) Habitat. B) Niche. Show Answer Correct Answer: B) Niche. 42. A whale is found in its natural ..... A) Habitat. B) House. Show Answer Correct Answer: A) Habitat. 43. Which of the following is NOT important cycle of matter in the environment? A) Helium cycle. B) Carbon cycle. C) Nitrogen cycle. D) Water cycle. Show Answer Correct Answer: A) Helium cycle. 44. An ecosystem where water covers the soil or water is near the surface of the soil is called A) A desert. B) An ocean. C) An estuary. D) A wetland. Show Answer Correct Answer: D) A wetland. 45. Precipitation means ..... A) Water vapor cooling to form clouds. B) Water running downhill. C) Water falling from the sky. D) Water heating up and rising as gas. Show Answer Correct Answer: C) Water falling from the sky. 46. Don't ..... the trees in the forest. A) Plants. B) Drive. C) Ride. D) Cut down. Show Answer Correct Answer: D) Cut down. 47. An organism that captures energy and stores it in food as chemical energy A) Producer. B) Consumer. C) Decoposer. D) Scavenger. Show Answer Correct Answer: A) Producer. 48. One organism hunts and eats another organism. A) Predation. B) Carnivore. C) Parasitism. D) Mutualism. Show Answer Correct Answer: A) Predation. 49. An organism that feeds off another organism and causes it harm. A) Host. B) Parasite. C) Symbiosis. D) Competition. Show Answer Correct Answer: B) Parasite. 50. The sun is the ultimate source of energy for terrestrial ecosystems. Approximately how much of the potential energy available from the sun's rays hitting the earth is used in photosynthesis? A) 25%. B) 59%. C) 1%. D) 10%. Show Answer Correct Answer: C) 1%. 51. A community of organisms and their abiotic environment A) Population. B) Community. C) Abiotic. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 52. Which of the following is an example of Inherited variation? A) Eye colour. B) Blood type. C) Skin colour. D) All of the above. Show Answer Correct Answer: D) All of the above. 53. Bears that eat both plants and animals, would be an example of what type of consumer? A) Omnivore. B) Carnivore. C) Herbivore. D) Decomposer. Show Answer Correct Answer: A) Omnivore. 54. Which term refers to the place where an organism obtains everything they need to survive? A) Niche. B) Biosphere. C) Ecology. D) Habitat. Show Answer Correct Answer: D) Habitat. 55. An organism that benefits from its relationship with an organism that it lives in or on while the other organism is harmed A) Rude. B) Parasite. C) Symbiosis. D) Host. Show Answer Correct Answer: B) Parasite. 56. What is likely to happen to the population of birds if the population of grasshoppers decrease? A) They will increase. B) They will stay constant. C) They will decrease. D) None of above. Show Answer Correct Answer: C) They will decrease. 57. The three-toed sloth is a mammal that lives in the forest of Central America. Sloths are eaten by wild cats such as jaguars and also by snakes. The sloths mainly eat leaves. What is the original source of energy supplied to the jaguars? A) Snakes. B) Leaves. C) Sun. D) Sloths. Show Answer Correct Answer: C) Sun. 58. Which of the following best describes primary succession? A) Volcano wipes out ecosystem that gradually grows back from ash covered soil. B) Volcano creates a new island of rock that must break down to form an ecosystem. C) Forest fire burns down forest that must bounce back over time. D) Tornado destroys a crop that must slowly grow back over time. Show Answer Correct Answer: B) Volcano creates a new island of rock that must break down to form an ecosystem. 59. The circulation of the element Carbon among Earth's atmosphere, land, oceans, and organisms is called ..... A) The Water Cycle. B) The Carbon dioxide Cycle. C) The Oxygen Cycle. D) The Carbon Cycle. Show Answer Correct Answer: D) The Carbon Cycle. 60. Is Earth Day celebrated in Poland? A) 22 April. B) 10 July. C) 23 June. D) None of above. Show Answer Correct Answer: A) 22 April. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesEcology Quiz 1Ecology Quiz 2Ecology Quiz 3Ecology Quiz 4Ecology Quiz 5Ecology Quiz 6Ecology Quiz 7Ecology Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books