This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A parrot eats fruit, seeds, and insects. Which of the following terms best describes a parrot? A) Producer. B) Herbivore. C) Omnivore. D) Carnivore. Show Answer Correct Answer: C) Omnivore. 2. Which variable do scientists use to divide the open ocean into two zones? A) Depth. B) Oxygen. C) Latitude. D) Salinity. Show Answer Correct Answer: A) Depth. 3. How would the rabbit population be affected if land was cleared to build a housing development? A) The rabbit population would increase. B) The rabbit population would decrease. C) The rabbit population would remain stable. D) The rabbit population would rise temporarily, then fall. Show Answer Correct Answer: B) The rabbit population would decrease. 4. An ecosystem thrives with biotic and abiotic components. An example of an abiotic part of an ecosystem is ..... A) Bacteria. B) Decaying plants. C) Water. D) Fungus. Show Answer Correct Answer: C) Water. 5. What source of energy evaporates the most water from Earth's surface? A) The sun. B) Lightning. C) Volcanoes. D) Wind. Show Answer Correct Answer: A) The sun. 6. Which of the following is TRUE of predator/prey relationships? A) Humans are not considered predators. B) Herbivores are limited by the number of prey in an ecosystem. C) The number of predators is determined by available prey. D) The amount of prey does not affect the number of predators. Show Answer Correct Answer: C) The number of predators is determined by available prey. 7. The islands of Hawaii were formed by A) Secondary succession. B) Primary succession. Show Answer Correct Answer: B) Primary succession. 8. How long will the glass bottle decompose? A) 125years. B) 2500years. C) 4000years. D) 500years. Show Answer Correct Answer: C) 4000years. 9. What is the fourth level of a food chain? A) Producer. B) Tertiary consumer. C) Secondary consumer. D) Primary consumer. Show Answer Correct Answer: B) Tertiary consumer. 10. What is the difference between commensalism and parasitism? A) Both animals benefit from a relationship. B) Commensalism is when one animal is unharmed and parasitism is when one animal IS harmed. C) The difference in commensalism is it involves four animals that benefit and two that are unharmed. D) None of above. Show Answer Correct Answer: B) Commensalism is when one animal is unharmed and parasitism is when one animal IS harmed. 11. These organisms return nutrients to the soil by consuming wastes and dead organisms A) Omnivore. B) Decomposers. C) Consumers. D) Producers. Show Answer Correct Answer: B) Decomposers. 12. Members of the same species living in a defined area A) Ecosystem. B) Biodiversity. C) Population. D) Community. Show Answer Correct Answer: C) Population. 13. Limiting factor that relies on the number of organisms in a given area A) Density-dependent. B) Carrying capacity. C) Density-independent. D) Biotic potential. Show Answer Correct Answer: A) Density-dependent. 14. All the non-living things in an environment A) Biotic. B) Biome. C) Abiotic. D) Biosphere. Show Answer Correct Answer: C) Abiotic. 15. In a food web below: A) All the energy contained within the organisms in the web comes from the sun. B) The hawk is not the top predator. C) Energy is not transferred from organism to organism in this food web. D) Rabbit is primary producer. Show Answer Correct Answer: A) All the energy contained within the organisms in the web comes from the sun. 16. The approximate amount of energy that is transferred between each trophic level is: A) 10%. B) 0.1%. C) 90%. D) It totally depends on the ecosystem. Show Answer Correct Answer: A) 10%. 17. Occurs when 2 or more organism use the same resource A) Competition. B) Parasitism. C) Commensalism. D) Mutualism. Show Answer Correct Answer: A) Competition. 18. How do producers obtain energy? A) They conduct photosynthesis. B) They consume primary consumers. C) They consume plants. D) They consume secondary consumers. Show Answer Correct Answer: A) They conduct photosynthesis. 19. What is it called when a population growth levels off when the environment has reached the maximum number of organisms that can be supported in a given environment? A) Carrying Capacity, k. B) Logistic Growth. C) Exponential growth. D) Limiting factors. Show Answer Correct Answer: A) Carrying Capacity, k. 20. Many living and non-living things living together is called an ..... A) Ecosystem. B) Population. C) Organism. D) Community. Show Answer Correct Answer: A) Ecosystem. 21. This may cause a population to increase A) Increase of food supply. B) Removal of predators. C) Removal of disease. D) All of these. Show Answer Correct Answer: D) All of these. 22. Abiotic Factors are also known as: A) Nonliving things. B) Living things. C) None of these answers. D) None of above. Show Answer Correct Answer: A) Nonliving things. 23. A raccoon is a ..... A) Specialist. B) Generalist. C) Herbivore. D) Carnivore. Show Answer Correct Answer: B) Generalist. 24. An underground layer of rock that stores water A) Aquifer. B) Carbon cycle. Show Answer Correct Answer: A) Aquifer. 25. Which type of organisms always start off a food chain? A) Consumers. B) Producers. C) Scavengers. D) Decomposers. Show Answer Correct Answer: B) Producers. 26. The process that takes carbon out of the atmosphere. A) Combustion. B) Respiration. C) Photosynthesis. D) Decomposition. Show Answer Correct Answer: C) Photosynthesis. 27. It refers to a group of individuals of the same species occupying a common geographical area. A) Organisms. B) Community. C) Population. D) Ecosystem. Show Answer Correct Answer: C) Population. 28. Which of these human actions impacts multiple nutrient cycles? A) Burning coal. B) Using fertilizers. C) Deforestation. D) Driving gasoline cars. Show Answer Correct Answer: C) Deforestation. 29. Find the correct description of shade-loving plants (sciophytes). A) Cannot tolerate strong light, always grows in the shade, in the shade of the forest. B) Loves light. C) Grows only in open ground under conditions of high light. D) Plants that are partially submerged in water. E) Plants growing in saline soil. Show Answer Correct Answer: A) Cannot tolerate strong light, always grows in the shade, in the shade of the forest. 30. Biodiversity is usually greater A) In drier climates. B) Where it is humid. C) At the poles. D) In colder climates. Show Answer Correct Answer: B) Where it is humid. 31. This is a behavior an animal is born with A) Physical adaptation. B) Camouflage. C) Migration. D) Instinct. Show Answer Correct Answer: D) Instinct. 32. Many years ago, during the Ice Age, sheets of ice moved over much of the land. It was dark and much colder than ever before. Ice and snow caused habitat destruction over large areas of land. The animals that lost their habitats MOST LIKELY A) Moved to warmer places. B) Quickly changed to live in cold and ice. C) Stayed buried and lived again when the ice melted. D) Died out because they were not adapted to such cold. Show Answer Correct Answer: D) Died out because they were not adapted to such cold. 33. All of the following are examples of environmental changes that can be caused by humans except- A) Clearing land for housing developments. B) Pesticides. C) Volcanic eruption. D) Pollution. Show Answer Correct Answer: C) Volcanic eruption. 34. What's another name for producer? A) Heterotroph. B) Photosynthesis. C) Cellular Respiration. D) Autotroph. Show Answer Correct Answer: D) Autotroph. 35. Decomposers are important in the food web because they A) Produce their own food using light from the sun. B) Stop the flow of energy from one organism to another. C) Break down dead organisms and recycle nutrients into the soil. D) Are microscopic and other organisms eat them. Show Answer Correct Answer: C) Break down dead organisms and recycle nutrients into the soil. 36. Species which has been brought to a new place or country by humans. A) Non-native species. B) Biodiversity. C) Invasive Species. D) Epicotyl. Show Answer Correct Answer: A) Non-native species. 37. In a ....., trees lose their leaves. A) Deciduous forest. B) Tropical rainforest. Show Answer Correct Answer: A) Deciduous forest. 38. Barn owls hunt shrews. In this example what is a barn owl? A) Herbivore/Predator. B) Carnivore/Prey. C) Carnivore/Predator. D) None of above. Show Answer Correct Answer: C) Carnivore/Predator. 39. Step in the food chain, food web, or ecological pyramid A) Abiotic factors. B) Trophic Level. C) Ecosystem. D) Community. Show Answer Correct Answer: B) Trophic Level. 40. What is an example of predator-prey relationship? A) A deer eat leaves from trees. B) An eagle dives, captures, and eats a fish from a local pond. C) Two male lions fight over territory. D) A deer tick attaches to a deer and receives a blood meal. Show Answer Correct Answer: B) An eagle dives, captures, and eats a fish from a local pond. 41. Animals that live in conditions of moderate humidity A) Hydatophyte. B) Xerofitter. C) Mesofielder. D) Hygrophytes. E) Hydrophytes. Show Answer Correct Answer: C) Mesofielder. 42. What abiotic factor would plants compete for? A) Disease. B) Predators. C) Food. D) Sunlight. Show Answer Correct Answer: D) Sunlight. 43. Which of these is a reason AGAINST intensive farming? A) Increases spread of diseases. B) More efficient. C) Improves food security. D) Easier to harvest e.g. eggs. Show Answer Correct Answer: A) Increases spread of diseases. 44. Biotic or abiotic? A) Biotic. B) Abiotic. Show Answer Correct Answer: A) Biotic. 45. Which biome consists of long bitter winters, cool summers, and diverse coniferous trees? A) Taiga. B) Tundra. C) Temperate forest. D) Grassland. Show Answer Correct Answer: A) Taiga. 46. The non-living things in an environment. A) Environment. B) Biotic factors. C) Organisms. D) Abiotic factors. Show Answer Correct Answer: D) Abiotic factors. 47. Which primarily eats plants/producers? A) Carnivore. B) Detritivore/Decomposer. C) Omnivore. D) Herbivore. Show Answer Correct Answer: D) Herbivore. 48. This biome is contains water that moves continuously in one direction with rapidly changing communities ..... A) Ocean. B) Beach. C) Rivers and streams. D) Lakes. Show Answer Correct Answer: C) Rivers and streams. 49. Which is NOT a way that nitrogen compounds are added to the soil? A) Decay of dead organisms. B) Nitrogen-fixation. C) Denitrification. D) Animal waste. Show Answer Correct Answer: C) Denitrification. 50. Biotic and Abiotic factors that make up an environment A) Community. B) Biome. C) Population. D) Ecosystem. Show Answer Correct Answer: D) Ecosystem. 51. Which biome consists of salt water from 600ft and deeper? A) Freshwater. B) Marine Coastal. C) Marine open ocean. D) Ocean. Show Answer Correct Answer: C) Marine open ocean. 52. An organism, such as Sammy in the video A Turtle's Tale, that produces many offspring at a time with low parental care is ..... A) R-selected. B) K-selected. Show Answer Correct Answer: A) R-selected. 53. The biome with the least amount of biodiversity. A) Grassland. B) Taiga. C) Desert. D) Tundra. Show Answer Correct Answer: D) Tundra. 54. Climate is the average weather in an area over a long period of time. A) False. B) True. Show Answer Correct Answer: B) True. 55. Which is an example of intraspecific competition A) 2 types of bacteria competing for food. B) Big horn sheep competing for mates. C) Trees in the rain forest competing for light. D) Lions and leopards competing for food. Show Answer Correct Answer: B) Big horn sheep competing for mates. 56. What Biome is covered in a dense canopy and an understory? A) Tundra. B) Desert. C) Tropical Savanna. D) Tropical Rain Forest. Show Answer Correct Answer: D) Tropical Rain Forest. 57. What process converts nitrogen gas into ammonia that can be used by other organisms? A) Nitrification. B) Nitrogen Fixation. C) Denitrification. D) Nitrogen-fixing bacteria. Show Answer Correct Answer: D) Nitrogen-fixing bacteria. 58. A " ..... '' refers to the order of events in an ecosystem, where one living organism eats another organism, and later that organism is consumed by another larger organism A) Ecosystem. B) Greenhouse effect. C) Food chain. D) Human impact. Show Answer Correct Answer: C) Food chain. 59. Areas that are dominated by grasses and animals that are of a similar color to the grasses. A) Forest. B) Taiga. C) Grasslands. D) Farms. Show Answer Correct Answer: C) Grasslands. 60. An animal that hunts other animals is called a ..... A) Herbivore. B) Predator. C) Producer. D) Prey. Show Answer Correct Answer: B) Predator. ← 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