This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 16 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What word best describes the mammals, fish, birds and plants, as well as the sun, soil, air and water in an environment? A) Biosphere. B) Community. C) Ecosystem. D) Abiotic. Show Answer Correct Answer: C) Ecosystem. 2. I am a consumer that eats only meat. A) Carnivore. B) Omnivore. C) Herbivore. D) None of above. Show Answer Correct Answer: A) Carnivore. 3. What word do we use to describe a species which has no members still living? A) Extinct. B) Endangered. Show Answer Correct Answer: A) Extinct. 4. To use some materials again. A) To recycle. B) Cycle. C) Recycle. D) Recycle. Show Answer Correct Answer: C) Recycle. 5. A rock or boulder is considered A) Biotic. B) Abiotic. Show Answer Correct Answer: B) Abiotic. 6. 2 male deer fighting over a female. This is an example of A) Mutualism. B) Commensalism. C) Parasitism. D) Competition. Show Answer Correct Answer: D) Competition. 7. An animal that hunts and eats another animal. A) Predator. B) Prey. Show Answer Correct Answer: A) Predator. 8. What is bioaccumulation or biomagnification? A) Buildup of toxins in an organism. B) The total mass/amount of organisms in a given area. C) The number of different species in an area. D) None of above. Show Answer Correct Answer: A) Buildup of toxins in an organism. 9. There is a wide range of organisms within any ecosystem. What is the name for the wide range of life that we need to protect in our ecosystem? A) Adapting. B) Biodiversity. C) Ecology. D) Ecosystem. Show Answer Correct Answer: B) Biodiversity. 10. A type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed A) Mutualism. B) Predation. C) Competition. D) Commensalism. Show Answer Correct Answer: D) Commensalism. 11. Things that are NON-living in an environment (air, water, soil, sunlight) A) Abiotic Factors. B) Organism. C) Biotic Factors. D) Biosphere. Show Answer Correct Answer: A) Abiotic Factors. 12. All of the living parts of an ecosystem are ..... A) Biotic. B) Abiotic. C) Biography. D) Biology. Show Answer Correct Answer: A) Biotic. 13. The reciprocal interrelations between living & non living world is referred to as: A) Physiology. B) Morphology. C) Ecology. D) Cytology. Show Answer Correct Answer: C) Ecology. 14. True or false:The process of nutrient regeneration recycles nutrients back to primary producers. A) True. B) False. Show Answer Correct Answer: A) True. 15. Energy that flows through an ecosystem originates from the ..... A) Producer. B) Plants. C) Sun. D) None of above. Show Answer Correct Answer: C) Sun. 16. Which human activity has had the greatest impact on climate change? A) Building skyscrapers. B) Production of nuclear waste. C) Deforestation. D) Burning fossil fuels. Show Answer Correct Answer: D) Burning fossil fuels. 17. The nutrient that is the slowest to recycle is A) Carbon. B) Phosphorus. C) Sulfur. D) Nitrogen. Show Answer Correct Answer: B) Phosphorus. 18. In a parasitic relationship, one organism is ..... and one organism is benefiting. A) Helped. B) Harmed. C) Not effected. D) Happy. E) Unbothered. Show Answer Correct Answer: B) Harmed. 19. Which is an example of a behavioral adaptation? A) Migration. B) Beak. C) Thumb. D) Claws. Show Answer Correct Answer: A) Migration. 20. An environmental factor that causes the population to decrease is called A) Limiting factor. B) Carrying capacity. C) Population density. D) Ecosystem. Show Answer Correct Answer: A) Limiting factor. 21. Which type of competition is responsible for shaping the structure of a population? A) Intraspecific. B) Interspecific. Show Answer Correct Answer: A) Intraspecific. 22. Relationship in which one organism benefits and the organism is not affected A) Parasitism. B) Mutualism. C) Commensalism. D) None of above. Show Answer Correct Answer: C) Commensalism. 23. What is the single most important factor contributing to losing or creating endangered species? A) Air pollution. B) Habitat loss. C) Clearcut logging. D) Water pollution. Show Answer Correct Answer: C) Clearcut logging. 24. What is the term for a community of living and non-living things in a particular environment A) Biology. B) Habitat. C) Ecosystem. D) Ecology. Show Answer Correct Answer: C) Ecosystem. 25. ..... is a collection or group of different populations living in the same geographical area at the same time. A) Population. B) Niche. C) Community. D) Habitat. Show Answer Correct Answer: C) Community. 26. Segregate garbage A) Sort out rubbish. B) Dispose of. C) Extinction. D) Earthquake. Show Answer Correct Answer: A) Sort out rubbish. 27. One single animal A) Organism. B) Population. C) Community. D) Ecosystem. Show Answer Correct Answer: A) Organism. 28. How are biomes characterized? A) Climates. B) Biotic Factors. C) Abiotic Factors. D) All are ways to characterize a biome. Show Answer Correct Answer: D) All are ways to characterize a biome. 29. What is a population? A) One individual member of a species. B) A group of individuals of the same species that live in the same area. C) A community of different species and their environment. D) None of the above. Show Answer Correct Answer: B) A group of individuals of the same species that live in the same area. 30. Cold forested region dominated by cone bearing evergreen trees. A) Tundra. B) Taiga. Show Answer Correct Answer: B) Taiga. 31. The series of changes that occurs in an area where no soil or organisms exist is called this A) Secondary succession. B) Climax community. C) Succession. D) Primary succession. Show Answer Correct Answer: D) Primary succession. 32. The role of plants in a food web is A) Decoposer. B) Producer. C) Predator. D) Consumer. Show Answer Correct Answer: B) Producer. 33. What can producers do? A) Make sugar by using photosynthesis. B) Break down materials and return them to the soil. C) Rely on other organisms to get their sugar. D) Eat both plants and animals. Show Answer Correct Answer: C) Rely on other organisms to get their sugar. 34. Another name for a consumer is a A) Heterotroph. B) Autotroph. Show Answer Correct Answer: A) Heterotroph. 35. What biotic factor does every food chain start with? A) Decomposers. B) Producers. C) Sun. D) Consumer. Show Answer Correct Answer: B) Producers. 36. What are the similarities between a strawberry plantation and a meadow ecosystem? A) Have an open cycle of substances. B) They are characterized by a short length of power circuits. C) They lack secondary consumers. D) Have food chains and networks. Show Answer Correct Answer: D) Have food chains and networks. 37. Which of the following describes #1? A) An ecosystem is the interaction between biotic and biotic factors. B) A community is a group of different populations in the same area. C) An organism is one living thing. D) A population is a group of the same organisms. Show Answer Correct Answer: B) A community is a group of different populations in the same area. 38. The following are all examples of ..... within an ecosystem. Grass, trees, flowers, bears, and fish A) Abiotic factors. B) Biotic factors. C) Extinction. D) None of above. Show Answer Correct Answer: B) Biotic factors. 39. Which living thing? Classified as the number 1 consumer A) Cobra. B) Seagull. C) Green tea worm. D) Cat. Show Answer Correct Answer: C) Green tea worm. 40. An ecosystem is: A) The interaction between all the living and non-living things in an environment. B) Refers only to the living things in a specific area. C) Refers only to the non-living things in a specific area. D) Where an animal lives. Show Answer Correct Answer: A) The interaction between all the living and non-living things in an environment. 41. All of the following organisms live off remains or wastes of other organisms except A) More destructive. B) Decomposers. C) Scavengers. D) Omnivores. Show Answer Correct Answer: D) Omnivores. 42. The movement of carbon through Earth, its atmosphere and living things A) Carbon cycle. B) Photosynthesis. C) Cycle. D) Water cycle. Show Answer Correct Answer: A) Carbon cycle. 43. Density independent limiting factor is A) When a city can'tbuild enough houses for all of the people. B) A limiting factor that affects all populations in similar ways, regardless of population size; example weather. C) When it snows so much that people can't drive on their roads. D) Thenthe resources can't be replaced because people can't get to the store. Show Answer Correct Answer: B) A limiting factor that affects all populations in similar ways, regardless of population size; example weather. 44. Which best explains the importance of nitrogen in the cycling of energy and matter? A) Nitrogen increases protein production in plants. B) Nitrogen decreases the effectiveness of photosynthesis. C) Nitrogen decreases protein production in plants. D) Nitrogen increases the effectiveness of photosynthesis. Show Answer Correct Answer: A) Nitrogen increases protein production in plants. 45. Tertiary consumers are always ..... A) Omnivores. B) Sharks. C) Herbivores. D) Carnivores. Show Answer Correct Answer: D) Carnivores. 46. When organisms move out of the population, this is known as A) Emigration. B) Abandonment. C) Immigration. D) Succession. Show Answer Correct Answer: A) Emigration. 47. How many national parks are there in Poland? A) 22. B) 23. C) 15. D) 33. Show Answer Correct Answer: B) 23. 48. A food chain contains oak trees (producer), mice (herbivore), black rat snakes (carnivore), and bald eagles (carnivore). If these organisms were placed in an energy pyramid, which organism would be in the energy level with the second-most amount of energy available? A) Black Rat Snakes. B) Oak Trees. C) Bald Eagles. D) Mice. Show Answer Correct Answer: D) Mice. 49. Which biome consists of limited vegetation, cold temperatures, and the permafrost? A) Taiga. B) Tundra. C) Temperate forest. D) Temperate grasslands. Show Answer Correct Answer: B) Tundra. 50. A population must be of the same ..... ? A) Color. B) Gender. C) Species. D) Age. Show Answer Correct Answer: C) Species. 51. A great white shark eats other organisms, such as seals. A) Sunlight. B) Omnivore. C) Herbivore. D) Carnivore. Show Answer Correct Answer: D) Carnivore. 52. Which of the following equations represents the overall chemical reaction for photosynthesis? A) 6O2 + 6H2O$\rightarrow$ C6H12O6 + 6CO2. B) 6O2+ 6H2O $\rightarrow$ C6H12O6+ 6O2. C) C6H12O6 + 6H2O$\rightarrow$ 6O2+ 6O2. D) 6CO2+ 6H2O$\rightarrow$ C6H12O6+ 6O2. Show Answer Correct Answer: D) 6CO2+ 6H2O$\rightarrow$ C6H12O6+ 6O2. 53. Synecology helps us to understand the relationships between communities and environment. A) True. B) False. Show Answer Correct Answer: A) True. 54. An organism that obtains enegry by consuming other organisms is known as a(n) ..... A) Heterotroph. B) Autotroph. Show Answer Correct Answer: A) Heterotroph. 55. This is the study of the interactions of living things A) Biomes. B) Science. C) Ecosystem. D) Ecology. Show Answer Correct Answer: D) Ecology. 56. Where would you find permafrost. Permafrost is soil, rock or sediment that is frozen for more than two consecutive years. In areas not overlain by ice, it exists beneath a layer of soil, rock or sediment, which freezes and thaws annually and is called the "active layer" . A) Temperate deciduous forest. B) Alpine Tundra. C) Arctic Tundra. D) Alpine and Arctic Tundra. Show Answer Correct Answer: D) Alpine and Arctic Tundra. 57. How does human development of land effect the carrying capacity in a given area for a species other than humans? A) It is unaffected. B) It increases but then quickly decreases. C) It is decreased. D) It is increased. Show Answer Correct Answer: C) It is decreased. 58. An organism that gets hunted is a ..... A) Predator. B) Prey. Show Answer Correct Answer: B) Prey. 59. Living factors or organisms that affect an ecosystem A) Biotic factors. B) Species. C) Abiotic factors. D) Trophic level. Show Answer Correct Answer: A) Biotic factors. 60. Sometimes a population cannot grow to its biotic potential due to environmental factors. What are these environmental factors called? A) Carrying capacity. B) Ecological pyramids. C) Limiting factors. D) Biomes. Show Answer Correct Answer: C) Limiting factors. ← 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