This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 32 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is biotic A) Temperature. B) Wind. C) Rain. D) Trees. Show Answer Correct Answer: D) Trees. 2. A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on . A) Biotic and Abiotc Factors. B) Biotic Factors. C) Abiotic Factors. D) None of the Above. Show Answer Correct Answer: C) Abiotic Factors. 3. Does an invasive species normally increase or decrease biodiversity in an ecosystem? A) Increase. B) Decrease. Show Answer Correct Answer: B) Decrease. 4. Animals, such as fiddler crabs, advertise the size of their enlarged claw to intimidate their rivals. This territorial display is an example of what type of relationship? A) Mutualism. B) Commensalism. C) Predation. D) Competition. Show Answer Correct Answer: D) Competition. 5. Which of the two types of limiting factors depend on the density of the population? These factors include competition, predation, parasitism, and disease. A) Density Independent Limiting factors. B) Density Dependent limiting factors. Show Answer Correct Answer: B) Density Dependent limiting factors. 6. A given food web includes hawks, grasses, foxes, and rabbits. Which organisms are primary consumers in this food web? A) Rabbits. B) Grasses. C) Foxes. D) Hawks. Show Answer Correct Answer: A) Rabbits. 7. Different layers of soil A) Soil profile. B) Soil composition. C) Soil texture. D) None of above. Show Answer Correct Answer: A) Soil profile. 8. What is a energy pyramid? A) An organism that makes its own food. B) Cupcake. C) Eat both plants and animals. D) Graphical representation showing the amount of energy at each trophic level in an ecosystem. Show Answer Correct Answer: D) Graphical representation showing the amount of energy at each trophic level in an ecosystem. 9. What happens to the amount of stored energy as you move up the food chain? A) The amount of energy stays the same. B) The energy disappears. C) The amount of energy goes down, since it's used up by organisms. D) The amount of energy goes up, since it's not used by organisms. Show Answer Correct Answer: C) The amount of energy goes down, since it's used up by organisms. 10. Which of the following lists the level of biological organization in order, from least inclusive to most inclusive? A) Individual, population, community, ecosystem, biome, biosphere. B) Individual, population, ecosystem, community, biosphere, biome. C) Individual, community, population, ecosystem, biosphere, biome. D) Individual, community, ecosystem, population, biome, biosphere. Show Answer Correct Answer: A) Individual, population, community, ecosystem, biome, biosphere. 11. This biome is located in high elevations and is usually treeless. The animals here include the big horn sheep and mountain goats ..... A) Arctic Tundra. B) Taiga. C) Alpine Tundra. D) Rainforest. Show Answer Correct Answer: A) Arctic Tundra. 12. Which of the lake zone does not receives light and mostly dominated by bacteria? A) Photic zone. B) Aphotic zone. C) Benthic zone. D) None of above. Show Answer Correct Answer: C) Benthic zone. 13. CO2, methane, and water vapor in the earth's atmosphere absorbs heat. This natural process is known as the ..... A) Ozone depletion. B) Biomagnification. C) Acid rain. D) Greenhouse effect. E) Climate change/Global warming. Show Answer Correct Answer: D) Greenhouse effect. 14. ..... things don't need sunlight, water, and nutrients to live. A) Living. B) Non-living. C) Biotic. D) None of above. Show Answer Correct Answer: B) Non-living. 15. Distance in degrees north or south of the equator A) Latitude. B) Longitude. Show Answer Correct Answer: A) Latitude. 16. ..... is when two species live closely together. A) Mutualism. B) Symbiosis. C) Resource. D) Succession. Show Answer Correct Answer: B) Symbiosis. 17. Energy flows through an ecosystem and is transferred as ....., but chemical elements are ..... A) Heat, lost. B) Heat, recycled. C) Light, heat. D) Light, gained. Show Answer Correct Answer: B) Heat, recycled. 18. A mutation occurs at the midpoint of a gene, altering all amino acids encoded after the point of mutation. Which mutation could have produced this change? A) Deletion of two nucleotides. B) Insertion of twelve nucleotides. C) Deletion of three nucleotides. D) Insertion of six nucleotides. Show Answer Correct Answer: A) Deletion of two nucleotides. 19. How do animals depend on plant for survival? A) Animals help spread seeds of plants for new growth. B) Animals are producers in a food web. C) Plants and animals need sunlight to survive. D) Animals eat plants and other animals that eat plants for food. Show Answer Correct Answer: D) Animals eat plants and other animals that eat plants for food. 20. As you travel north/south poles and get closer to the equator, the temperature ....., and the vegetation (flowers/trees/grasses) ..... A) Rises, stays the same. B) Lowers, changes. C) Lowers, stays the same. D) Rises, changes. Show Answer Correct Answer: A) Rises, stays the same. 21. Study of connections among living things A) Ecology. B) Host. C) Food web. D) None of above. Show Answer Correct Answer: A) Ecology. 22. Which type of succession reaches the climax community faster? A) Primary succession. B) Secondary succession. Show Answer Correct Answer: B) Secondary succession. 23. The phenomenon of global warming is mainly caused by the accumulation of..... in the air A) Ill. B) NO. C) Ill. D) CO. Show Answer Correct Answer: A) Ill. 24. A(n) ..... is a group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce. A) Community. B) Population. C) Organism. D) Species. Show Answer Correct Answer: D) Species. 25. What is the process during which water changes from a liquid to a gas as it heats up? A) Condensation. B) Precipitation. C) Runoff. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 26. All of the organisms and the non-living environment found in a particular place A) Community. B) Habitat. C) Ecosystem. D) Population. Show Answer Correct Answer: C) Ecosystem. 27. An example of interdependency is: A) A bee pollinating a flower. B) A fawn drinking water from a river. C) A snake living in a pile of rocks. D) A cow grazing on grass. Show Answer Correct Answer: A) A bee pollinating a flower. 28. Which of the following has the greatest negative effect on the world's biodiversity? A) Primary production. B) Commensalism. C) Algal blooms. D) Human activity. Show Answer Correct Answer: D) Human activity. 29. Dentrification is A) The conversion of nitrates into nitrogen gas. B) The conversion of nitrates into organisms. C) The conversion of nitrates into plants. D) The conversion of nitrogen gas into nitrates. Show Answer Correct Answer: A) The conversion of nitrates into nitrogen gas. 30. Which of the following is another word for a plant? A) Heterotroph. B) Omnitroph. C) Autotroph. D) Consumer. Show Answer Correct Answer: C) Autotroph. 31. ..... are organisms that depend on other organisms for food A) Consumers. B) Carnivores. Show Answer Correct Answer: A) Consumers. 32. Which of these is not related with the study of Ecology? A) Chemistry. B) Botany. C) Zoology. D) Geography. E) None of the above. Show Answer Correct Answer: E) None of the above. 33. The loss of a natural habitat is called? A) Habitat development. B) Biodiversity. C) Habitat destruction. D) Pollution. Show Answer Correct Answer: C) Habitat destruction. 34. An ..... is any feature or trait that helps an organism survive. A) Ecology. B) Resource. C) Adaptation. D) Habitat. Show Answer Correct Answer: C) Adaptation. 35. Which of the following organisms performs cellular respiration? I. Autotrophs II. Heterotrophs III. Decomposers A) I only. B) II only. C) III only. D) I, II and III. Show Answer Correct Answer: D) I, II and III. 36. The scientific name of a penguin is ..... A) Spheniscidae. B) Cephalopods. C) Sphenispidae. D) Sphenuepio. Show Answer Correct Answer: A) Spheniscidae. 37. An organism that gets its energy from the remains of dead organisms A) Carnivore. B) Herbivore. C) Detrivorous. D) Omnivore. Show Answer Correct Answer: C) Detrivorous. 38. What type of organism eats both plants and meat? A) Carnivore. B) Herbivore. C) Omnivore. D) We were. Show Answer Correct Answer: C) Omnivore. 39. What type of interaction occurs when beech and maple trees are in the same forest? A) Cooperation. B) Competition. C) Cohabitance. D) None of above. Show Answer Correct Answer: B) Competition. 40. Which is a BIOTIC factor in an ecosystem? A) Grass. B) Soil. C) Water. D) Sunlight. Show Answer Correct Answer: A) Grass. 41. Because nitrogen is required for growth, it is considered an essential ..... A) Cell. B) Organism. C) Nitrate. D) Nutrient. Show Answer Correct Answer: D) Nutrient. 42. What is a tertiary consumer example? A) Sharks. B) Mice. C) Grass. D) Rabbits. Show Answer Correct Answer: A) Sharks. 43. This is the part of the Earth that supports life A) Geosphere. B) Hydrosphere. C) Lithosphere. D) Biosphere. Show Answer Correct Answer: D) Biosphere. 44. What is the science that studies the relationship of organisms in an environment? A) Physics. B) Biology. C) Chemistry. D) Ecology. Show Answer Correct Answer: D) Ecology. 45. The repeated movement of water between the Earth's surface and atmosphere is called the A) Cyclocross. B) Lymph cycle. C) Water cycle. D) Carbon cycle. Show Answer Correct Answer: C) Water cycle. 46. How nitrogen is "fixed" into useable form for plants A) Through action of bacteria & lightning. B) Through photosynthesis. C) Only through action of bacteria. D) Only through lightning. Show Answer Correct Answer: A) Through action of bacteria & lightning. 47. What do you call an animal that eats both plants and animals? A) Herbivore. B) Omnivore. C) Carnivore. D) Vegetarian. Show Answer Correct Answer: B) Omnivore. 48. Energy from the sun is known as ..... A) Wind energy. B) Geothermal energy. C) Solar energy. D) Hydroelectric energy. Show Answer Correct Answer: C) Solar energy. 49. Which human activity is correctly paired with its likely future consequence? A) Overfishing in the Atlantic-increase in supply of flounder and salmon as food for people. B) Development of electric cars or hybrid vehicles-increased rate of global warming. C) Use of fossil fuels-depletion of fossil-fuel based resources and increased CO2 in atmosphere. D) Genetically engineering animals-less food available to feed the world's population. Show Answer Correct Answer: C) Use of fossil fuels-depletion of fossil-fuel based resources and increased CO2 in atmosphere. 50. Lions and tigers are ..... A) Herbivores. B) Carnivores. C) Omnivores. D) None of above. Show Answer Correct Answer: B) Carnivores. 51. Energy ..... as you go up the energy pyramid A) Decreases. B) Increases. Show Answer Correct Answer: A) Decreases. 52. Sharks are hunted for their fins for use in shark fin soup, a specialty food item in Asia. Sharks grow slowly and take years to reproduce, which makes them vulnerable to overfishing. If overfishing of sharks is not reduced, sharks may become endangered in the next few years. What would occur to the Pacific Ocean fish population if their natural predator, sharks, are overfished? A) Overpopulation. B) Adaptation. C) Migration. D) Extinction. Show Answer Correct Answer: A) Overpopulation. 53. A line transect is used: A) To identify the number of species. B) To avoid bias when looking at data. C) To estimate the number of species in an area. D) To identify the distribution of species between two points of interest, such as between a foot path and some woods. Show Answer Correct Answer: D) To identify the distribution of species between two points of interest, such as between a foot path and some woods. 54. An organism that gets it's energy from eating other organisms is a ..... A) Producer. B) Decoposer. C) Consumer. D) None of above. Show Answer Correct Answer: C) Consumer. 55. Name the phenomenon because of which the earth's atmospheric temperature is increasing? A) A) Greenhouse effect. B) B) Bluehouse effect. C) C )Redhouse effect. D) None of above. Show Answer Correct Answer: A) A) Greenhouse effect. 56. Which of the following would NOT be an example of a density independent factor? A) Tornado. B) Hurricane. C) Fire. D) Predation. Show Answer Correct Answer: D) Predation. 57. Which type of consumer recycles nutrients back into the environment? A) Scavengers. B) Carnivores. C) Decomposers. D) Producers. Show Answer Correct Answer: C) Decomposers. 58. Competition between different species A) Intraspecific. B) Interspecific. C) Multi-attack. D) Predator-prey. Show Answer Correct Answer: B) Interspecific. 59. Remoras are fish that swim alongside sharks, eating scraps that the sharks leave behind. This is an example of: A) Parasitism. B) Mutualism. C) Commensalism. D) Amensalism. Show Answer Correct Answer: C) Commensalism. 60. Why is a food chain short? A) Because there is a little of energy at the top of it. B) Because there is much of energy at the top of it. C) Because there is no of energy at the top of it. D) There are not any animals. Show Answer Correct Answer: A) Because there is a little of energy at the top of it. ← 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