This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 71 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 71 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A relationship between two organisms where both organisms are relying on the same limited resources is known as ..... A) Mutualism. B) A Parasitic Relationship. C) A Competition Relationship. D) Commensalism. Show Answer Correct Answer: C) A Competition Relationship. 2. The group that organisms live in within their ecosystem A) Community. B) Population. C) Biome. D) Biosphere. Show Answer Correct Answer: B) Population. 3. If farmers use a controlled burn to prevent forest fires, what would most likely be the first plants to return? A) Shrubs. B) Trees. C) Grasses. D) Mosses. Show Answer Correct Answer: C) Grasses. 4. About how much percent of energy is passed on from one organism to to the next on a food web pyramid. A) 100 percent of all energy gets passed. B) 45 percent of all energy gets passed. C) 10 percent of all energy gets passed. D) 0 percent of all energy gets passed. Show Answer Correct Answer: C) 10 percent of all energy gets passed. 5. What does ecosystem mean? A) Relationships between creatures living on the same continent with the same area conditions. B) The relationship between nature and living things in various habitats. C) The relationship of living things in their habitats at a certain place. D) Relationships of living things in the forest. Show Answer Correct Answer: C) The relationship of living things in their habitats at a certain place. 6. Which of the following populations is most likely to go extinct? A) A very small population in a non-diverse environment. B) A moderate-sized population in a non-diverse environment. C) A large population in a diverse environment. D) All would be equally likely to go extinct. Show Answer Correct Answer: A) A very small population in a non-diverse environment. 7. Organisms that do not decompose can be buried over LONG periods of time and become what? A) Fossil fuels. B) Air. C) Water. D) Nutrients. Show Answer Correct Answer: A) Fossil fuels. 8. The Amazon rainforest produces 20% of the world ..... A) Environment. B) Oxygen. C) Pollution. D) Sewage. Show Answer Correct Answer: B) Oxygen. 9. All steps in a food chain always involve a loss of ..... A) Light. B) Mass. C) Energy. D) Time. Show Answer Correct Answer: C) Energy. 10. Humans are omnivores. This means that A) Humans can only eat plant based foods. B) Humans are at the top of the food chain. C) Humans are only capable of digesting other animal products. D) Humans eat both meat and plants. Show Answer Correct Answer: D) Humans eat both meat and plants. 11. Steve is bored and goes outside. He sees a spider with a fly in its net, preparing to eat it. This is an example of ..... A) Predation. B) What you should not do in your free time. C) Parasitism. D) Yummy food. E) Symbiosis. Show Answer Correct Answer: A) Predation. 12. The breakdown of the remains of dead organisms or animals wastes. A) Fossil Fuel. B) Consumption. C) Combustion. D) Decomposition. Show Answer Correct Answer: D) Decomposition. 13. What process describes how plants use air, water, and energy from the Sun to make their own food? A) Evaporation. B) Photosynthesis. C) Condensation. D) Weathering. Show Answer Correct Answer: B) Photosynthesis. 14. Which of the following shows the levels of organization from smallest to largest? A) Organism-Population-Community-Ecosystem-Biome-Biosphere. B) Biosphere-Organism-Biome-Population-Ecosystem-Community. C) Community-Ecosystem-Biome-Organism-Population-Biosphere. D) Organism-Community-Ecosystem-Population-Biosphere-Biome. Show Answer Correct Answer: A) Organism-Population-Community-Ecosystem-Biome-Biosphere. 15. A place where an animal lives is called a A) Community. B) Habitat. C) Population. D) House. Show Answer Correct Answer: B) Habitat. 16. The competitive exclusion principle states that two species with similar needs A) Always fight to the death. B) Need each other. C) Cannot exist in the same place. D) Benefit each other. Show Answer Correct Answer: C) Cannot exist in the same place. 17. The feeding relationship between a producer and a single chain of consumers in an ecosystem A) Energy pyramid. B) Cycle. C) Food chain. D) Food web. Show Answer Correct Answer: C) Food chain. 18. Consists of all the biotic and abiotic factors of the environment ..... A) Population. B) Community. C) Ecosystem. D) All of the above. Show Answer Correct Answer: C) Ecosystem. 19. The opposit of wet ..... A) Dry. B) Warm. C) Cool. D) Hot. Show Answer Correct Answer: A) Dry. 20. Biotic includes all the following exempt: A) Sunlight. B) Humans. C) Plants. D) Bacteria. Show Answer Correct Answer: A) Sunlight. 21. Which fossil fuel produces the lowest levels of most air pollutants? A) Oil. B) Petroleum. C) Coal. D) Natural gas. Show Answer Correct Answer: D) Natural gas. 22. ..... species are species that are at risk of becoming extinct. A) Invasive. B) Endangered. C) Environmental. D) None of above. Show Answer Correct Answer: B) Endangered. 23. Which of the following would provide the most energy in an ecosystem? A) Herbivore. B) Carnivore. C) Omnivore. D) Producers. Show Answer Correct Answer: D) Producers. 24. The base of all food webs consist of A) Sunlight. B) Animals. C) Plants. D) None of above. Show Answer Correct Answer: C) Plants. 25. Limiting factors ..... / ..... a population's growth. A) Accelerate/Speed up. B) Slow/Stop. Show Answer Correct Answer: B) Slow/Stop. 26. All energy transformations in an ecosystem begin with A) A scavenger. B) A herbivore. C) A decomposer. D) The sun. Show Answer Correct Answer: D) The sun. 27. The air, water, forests-where people, animals and plants live A) Rainforest. B) Environment. C) Habitat. D) Wildlife. Show Answer Correct Answer: B) Environment. 28. The element that is not readily available to use is A) Sulfur. B) Nitrogen. C) Carbon. D) Phosphorus. Show Answer Correct Answer: B) Nitrogen. 29. Plants that convert energy from the sun A) Primary consumer. B) Decoposer. C) Producer. D) Secondary consumer. Show Answer Correct Answer: C) Producer. 30. Recycling is ..... A) We use it when we sleep. B) Recycling is reusing waste materials. C) It is an ordinary dish. D) It is a kind of animal. Show Answer Correct Answer: B) Recycling is reusing waste materials. 31. A group of individuals that belong to the same species and live in the same area is called a A) Biosphere. B) Biome. C) Ecosystem. D) Population. Show Answer Correct Answer: D) Population. 32. All of Earth's water, ice, and water vapor. A) Biota. B) Hydrosphere. C) Biosphere. D) Geosphere. Show Answer Correct Answer: B) Hydrosphere. 33. What is the main source of energy for producers (directly) and consumers (indirectly) on earth? A) Water. B) Chemicals. C) Sunlight. D) Plants. Show Answer Correct Answer: C) Sunlight. 34. Both biotic and abiotic parts make up a A) Habitat. B) Community. C) Ecosystem. D) Environment. Show Answer Correct Answer: C) Ecosystem. 35. When one species copies another species physical appearance for survival benefit A) Mimicry. B) Replication. C) Surprise attacking. D) Copying. Show Answer Correct Answer: A) Mimicry. 36. In the predation relationship the organism that is being eaten would be represented by the-symbol. What symbol would the predator be represented by? A) +. B) -. C) 0. D) None of above. Show Answer Correct Answer: A) +. 37. James, Ava, and Liam are on a school trip to the North Carolina Zoo. They are discussing what the biosphere is. According to their discussion, the biosphere is ..... A) The North Carolina Zoo where they are visiting. B) All the parts of Earth that contain life. C) The specific area in their school where they study biology. D) The continent of Antarctica. Show Answer Correct Answer: B) All the parts of Earth that contain life. 38. An example of a producer is a A) Animal. B) Fungus. C) Plant. D) Person. Show Answer Correct Answer: C) Plant. 39. All of the organisms of one species within a particular ecosystem A) Ecosystem. B) Community. C) Biome. D) Population. Show Answer Correct Answer: D) Population. 40. Interaction in which one organism hunts, captures, and feeds on another organism A) Predation. B) Population. C) Competition. D) Parasitism. Show Answer Correct Answer: A) Predation. 41. All of living and nonliving things in an given area A) Commensalism. B) Ecosystem. Show Answer Correct Answer: B) Ecosystem. 42. Which is an example of a behavior? A) Tree branch providing shade. B) Blood flowing through veins. C) . a rabbit's fur turning white. D) A dog avoiding a foul odor. Show Answer Correct Answer: D) A dog avoiding a foul odor. 43. The study of the interactions between organisms and their interrelationships with the physical environment is known as A) Physiology. B) Embryology. C) Ecology. D) Cytology. Show Answer Correct Answer: C) Ecology. 44. A complicated interconnected group of food chains is called a ..... A) Food Pyramid. B) Food Web. C) Food Map. D) Food Diagram. Show Answer Correct Answer: B) Food Web. 45. The build up of toxins form smaller to the larger organisms that eat them A) Bioaccumulation. B) Toxin stock piling. C) Environmental cleansing. D) Poison building. Show Answer Correct Answer: A) Bioaccumulation. 46. Porcupines needles A) Prey. B) Predator. C) Protective coloring. D) False coloring. Show Answer Correct Answer: C) Protective coloring. 47. Which term defined:chemical elements or nutrients in complex organic forms along food chainin the biotic components of biosphere A) Reservoir pool. B) Cycling pool. Show Answer Correct Answer: B) Cycling pool. 48. Which of the following provide most of the energy in ecosystems? A) Generalists. B) Producers. C) Keystone species. D) Carnivores. Show Answer Correct Answer: B) Producers. 49. This is where a population grows to a size where the environment cannot handle it (not enough resources) A) Limiting Factor. B) Community. C) Population. D) Overpopulation. Show Answer Correct Answer: D) Overpopulation. 50. Through food chains, the carbon that is in plants moves to the animals that eat them. When an animal eats another animal, carbon is ..... A) Released. B) Transferred. C) Gone. D) Dissolved. Show Answer Correct Answer: B) Transferred. 51. Which of the following interactions is an example of symbiosis? A) An insect acts as a pollinator for a plant species. B) A population of hummingbirds migrates during the summer. C) A tropical bird performs a courtship dance for a mate. D) A mother bear feeds and protects her cubs. Show Answer Correct Answer: A) An insect acts as a pollinator for a plant species. 52. Plants that grow in dry places A) Xerofitter. B) Hydatophytes. C) Hydrophytes. D) Mesophyte. E) Hygrophytes. Show Answer Correct Answer: A) Xerofitter. 53. The total amount of water on Earth is constantly changing. A) False. B) True. Show Answer Correct Answer: A) False. 54. The release of water vapor through breathing by animals A) Perspiration. B) Transpiration. C) Respiration. D) Water cycle. Show Answer Correct Answer: C) Respiration. 55. Population density A) Role in the community. B) Number of organim in a given amount of space. C) Maximun number in the area. D) The prey and preditors eating each other. Show Answer Correct Answer: B) Number of organim in a given amount of space. 56. Type of growth that occurs when disease and parasites are present ..... A) Exponential. B) J-shaped. C) Predator-prey. D) Logistic. Show Answer Correct Answer: D) Logistic. 57. Why does stronger wind increase water loss from plants? A) They absorb water faster. B) They transpire faster. C) They absorb glucose faster. D) The water condenses faster. Show Answer Correct Answer: B) They transpire faster. 58. Herring, squid, sea turtles, whales and other swimming animals are called ..... A) Nekton. B) Benthic. C) Plankton. D) Infaunal. Show Answer Correct Answer: A) Nekton. 59. Is Iron (Fe) an element or a compound? A) Element. B) Compound. Show Answer Correct Answer: A) Element. 60. Which order of these shows the food chain in the correct order? A) Salmon$\rightarrow$Zooplankton$\rightarrow$Bear. B) Zooplankton$\rightarrow$Salmon$\rightarrow$Bear. C) Zooplankton$\rightarrow$Bear$\rightarrow$Salmon. D) Bear$\rightarrow$Zooplankton$\rightarrow$Salmon. Show Answer Correct Answer: B) Zooplankton$\rightarrow$Salmon$\rightarrow$Bear. ← 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