This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 76 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 76 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following would receive the LEAST amount of transferred solar energy that was originally absorbed by a producer? A) Primary Consumer. B) Herbivore. C) Secondary Consumer. D) Plant. Show Answer Correct Answer: C) Secondary Consumer. 2. What connects many food chains? A) Non-renewable resouce. B) Food web. C) Primary consumer. D) Renewable resource. Show Answer Correct Answer: B) Food web. 3. Four students in Ms. Thode's class makes the following observations. Choose which student is correct? A) Thomas says that all microorganisms are found in the ocean. B) Ryleigh says that all microorganisms are harmful. C) Kaila says that some microorganims are helpful and some are harmful. D) Tyler says it's impossible to become sick from bacteria. Show Answer Correct Answer: C) Kaila says that some microorganims are helpful and some are harmful. 4. True or false:a niche and a habitat are the same thing. A) True. B) False. Show Answer Correct Answer: B) False. 5. Earthworms break down dead organisms and recycle nutrients into the soil. Earthworms are ..... A) Producers. B) Consumers. C) Decomposers. D) None of above. Show Answer Correct Answer: C) Decomposers. 6. Food, water, sunlight, shelter, and space are resources that are ..... A) Limiting factors. B) Wet. C) Found in rocks. D) Messy. Show Answer Correct Answer: A) Limiting factors. 7. A population that grows until it reaches its carrying capacity usually has the shape of an ..... A) I. B) S. C) M. D) J. Show Answer Correct Answer: B) S. 8. The level of biodiversity that involves a variety of habitats is ..... diversity. A) Population. B) Ecosystem. C) Species. D) Genetic. Show Answer Correct Answer: B) Ecosystem. 9. What kind of organism helps with nitrogen fixation? A) Producers. B) Consumers. C) Herbivores. D) Bacteria. Show Answer Correct Answer: D) Bacteria. 10. In a food web and a food chain, you show arrows to demonstrate how the ..... transfers from one organism to the other. A) Food. B) Energy. C) Producers. D) Animals. Show Answer Correct Answer: B) Energy. 11. What is the main difference between primary and secondary ecological succession? A) Primary begins WITHOUT soil; Secondary begins WITH soil. B) Primary is the first state and secondary is the second stage. C) Primary builds plant community; secondary builds animal community. D) Primary begins WITH soil; Secondary begins WITHOUT soil. Show Answer Correct Answer: A) Primary begins WITHOUT soil; Secondary begins WITH soil. 12. Consumers get their energy by eating food. A) True. B) False. Show Answer Correct Answer: A) True. 13. Why might an organism have more than one arrow coming from them in a food web? A) More than one organism may eat them. B) They eat more than one other organism. C) This organism gets its energy from multiple sources. D) None of above. Show Answer Correct Answer: A) More than one organism may eat them. 14. In what form of symbiosis does one organism benefit, while the other is unaffected? A) Parasitism. B) Commensalism. C) Predation. D) Mutualism. Show Answer Correct Answer: B) Commensalism. 15. Antibiotics do not work on A) Bacteria. B) Viruses. C) Fungi. D) Children. Show Answer Correct Answer: B) Viruses. 16. What is the third level of a food chain? A) Producer. B) Primary consumer. C) Secondary consumer. D) Decoposer. Show Answer Correct Answer: C) Secondary consumer. 17. Bees and a flower. A) Mutualism. B) Commensalism. C) Parasitism. D) None of above. Show Answer Correct Answer: A) Mutualism. 18. A species that has been moved to a new ecosystem and is causing damage to that ecosystem is called a(n) A) Consuming species. B) Introduced species. C) Migrating species. D) Invasive species. Show Answer Correct Answer: D) Invasive species. 19. Introduced species disrupt ecosystems because they are a/an A) Keystone Species. B) Endemic Species. C) Invasive Species. D) Native Species. Show Answer Correct Answer: C) Invasive Species. 20. All of the following are density-independent factors that limit populations EXCEPT A) Deforestation. B) Competition. C) Hurricane. D) Tornado. E) Pollution. Show Answer Correct Answer: B) Competition. 21. Behaviors or physical characteristics that make an organism survive in its environment A) Adaptations. B) Natural selection. C) Traits. D) Niche. Show Answer Correct Answer: A) Adaptations. 22. What do you understand by ecology? A) The environment is scientific and allows us to study. B) It is a science of ecobiosystems. C) It is a science that studies the relationships between living beings and their environments. D) None of the options. Show Answer Correct Answer: C) It is a science that studies the relationships between living beings and their environments. 23. The number of wild horses per square kilometer in a prairie is the horse population's A) Density. B) Size. C) Dispersion. D) Birthrate. Show Answer Correct Answer: A) Density. 24. Which of the following human activities negatively affect the environment?I ReforestationII DeforestationIII Building nature reservesIV Burning fossil fuels A) I and II only. B) I and III only. C) II and IV only. D) III and IV only. Show Answer Correct Answer: C) II and IV only. 25. The greatest biodiversity on earth is found in the ..... biome. A) Taiga. B) Grassland. C) Temperate deciduous forest. D) Tropical rainforest. Show Answer Correct Answer: D) Tropical rainforest. 26. An abiotic factor that limits a population size would be? A) Disease. B) Space. C) Predators. D) Food. Show Answer Correct Answer: B) Space. 27. Which is a PRO of selective breeding? A) It tries to establish and maintain certain stable traits that animals or crops will pass to the next generation. B) By not allowing some animals to bread, their genes could be lost forever in a population. C) Can create animal discomfort. D) None of above. Show Answer Correct Answer: A) It tries to establish and maintain certain stable traits that animals or crops will pass to the next generation. 28. Example of biosphere A) Hydrosphere. B) Lithosphere. C) Atmosphere. D) All above. Show Answer Correct Answer: D) All above. 29. How does a bird prepare it body before migrating? A) They get super thin before migrating. B) It flies around as much as it can using all its energy. C) It doubles its weight before migration. D) It sits still on a branch and waits for food. Show Answer Correct Answer: C) It doubles its weight before migration. 30. Which of the following is an example of a hawksbill interacting with an abiotic factor? A) Hawksbill digs a nest in the sand. B) Hawksbill eats a sea sponge. C) Hawksbill mates with another hawksbill. D) Hawksbill gets attacked by a shark. Show Answer Correct Answer: A) Hawksbill digs a nest in the sand. 31. Which of the following is not a method used by ecologist to study the environment? A) Obervation. B) Experimentation. C) Modeling. D) All are used. Show Answer Correct Answer: D) All are used. 32. What makes an energy pyramid different than a food web or chain? A) It shows energy flowing from the top of the chain and downward. B) The tropic levels are the opposite. C) It shows the amount of energy in each trophic level. D) It shows specific predator/prey relationships. Show Answer Correct Answer: C) It shows the amount of energy in each trophic level. 33. What level of organization is it when a hawk's feathers help to camouflage it A) Ecosysten. B) Population. C) Individual. D) Community. Show Answer Correct Answer: C) Individual. 34. A close relationship between different species. A) Commensalism. B) Parasitism. C) Mutualism. D) Symbiosis. Show Answer Correct Answer: D) Symbiosis. 35. Which adaptation protects some plants from being eaten? A) Thick stems. B) Thorns or spines. C) Thick leaves. D) Thick, waxy skin. Show Answer Correct Answer: B) Thorns or spines. 36. Chemosynthesis is the process in which organisms A) Form carbohydrates using chemicals. B) Get energy by eating other organisms. C) Use energy from the sun to form carbohydrates. D) Make chemicals that absorb sunlight. Show Answer Correct Answer: A) Form carbohydrates using chemicals. 37. In which type of symbiotic relationship does one species benefit while the other species is unaffected? A) Mutualism. B) Predation. C) Commensalism. D) Parasitism. Show Answer Correct Answer: C) Commensalism. 38. Biotic relationships involves interactions between: A) Organisms and non-living surroundings. B) Organisms and their living and non-living surroundings. C) Organisms of the same species. D) Living organisms of different species. Show Answer Correct Answer: D) Living organisms of different species. 39. The mean of these numbers:3, 3, 5, 6 would be: A) 3. B) 4.67. C) 4.25. D) 4. Show Answer Correct Answer: C) 4.25. 40. Which of the following is NOT a way to determine population size? A) Sampling. B) Mark and recapture. C) Direct observations. D) Guessing. Show Answer Correct Answer: D) Guessing. 41. Forest clearing, farming, and road building are all examples of A) Population distribution. B) Climate Change. C) Biodiversity. D) Habitat loss. Show Answer Correct Answer: D) Habitat loss. 42. Which of the following is a characteristic of life (living things)? A) Moving. B) Made up of cell. C) Evolve, grow, and development. D) All except moving. Show Answer Correct Answer: D) All except moving. 43. What caused a spike in the human population A) Reading revolution. B) Industrial revolution. C) Industrial spread. D) Reading spread. Show Answer Correct Answer: B) Industrial revolution. 44. A major ecological community such as a grassland A) Species. B) Biome. C) Community. D) Habitat. Show Answer Correct Answer: B) Biome. 45. Organisms that start the growth cycle in succession A) Beginners. B) Pioneering organisms. C) Establishers. D) Climax community. Show Answer Correct Answer: B) Pioneering organisms. 46. When will coronavirus end? A) 3000. B) 2022. C) 2021. D) 2050. Show Answer Correct Answer: A) 3000. 47. True or False:An ecosystem with LOW biodiversity is stable. A) True. B) False. Show Answer Correct Answer: B) False. 48. If the plant population decreased, the amount of carbon would ..... A) Stay the same. B) Increase. C) Decrease. D) None of above. Show Answer Correct Answer: B) Increase. 49. These gases, such as carbon dioxide, trap heat in the Earth's atmosphere causing global warming A) Global warming gases. B) Thermal pollution. C) Green House gases. D) Hot House gases. Show Answer Correct Answer: C) Green House gases. 50. This biome is filled with salt water. It covers 70% of earths surface. A) Marine. B) Grassland. C) Fresh Water. D) Rainforest. Show Answer Correct Answer: A) Marine. 51. An organism's particular role in an ecosystem, or how it makes its living. A) Niche. B) Population. C) Consumer. D) Community. Show Answer Correct Answer: A) Niche. 52. Are living things biotic or abiotic? A) Biotic. B) Abiotic. Show Answer Correct Answer: A) Biotic. 53. What factor determines the maximum number of individuals a population can handle? A) Limiting Resource. B) Maximizing Item. C) Restricting Agent. D) Capacity Determinator. Show Answer Correct Answer: A) Limiting Resource. 54. What climate zone is warm year round and receives high amounts of rain? A) Tropical. B) Temperate. C) Polar. D) Highland. E) Dry. Show Answer Correct Answer: A) Tropical. 55. The water on Earth is billions of years old. A) False. B) True. Show Answer Correct Answer: B) True. 56. Permafrost characterizes the biome called A) Taiga. B) Tundra. C) Boreal forest. D) Savanna. Show Answer Correct Answer: B) Tundra. 57. A large ecosystem with similar characteristics, like climate and soil quality A) Biome. B) Population. C) Ecosystem. D) Organism. Show Answer Correct Answer: A) Biome. 58. Which of the following food chains shows the correct energy flow from left to right. A) Grass owl rabbit. B) Owl rabbit grass. C) Rabbit owl grass. D) Grass rabbit owl. Show Answer Correct Answer: D) Grass rabbit owl. 59. Which food chain is in the correct order? A) Grass, snail, bird, cat. B) Cat, grass, bird, snail. C) Bird, snail, grass, cat. D) Grass, cat, bird, snail. Show Answer Correct Answer: A) Grass, snail, bird, cat. 60. All living organisms, plants and animals present in an environment are known as A) Abiotic component. B) Biotic component. C) Physical component. D) None of these options. Show Answer Correct Answer: B) Biotic component. ← 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