This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Earth > Ecology – Quiz 78 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Ecology Quiz 78 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An animal that is hunted and eaten by other animals A) Prey. B) Predator. C) Herbivore. D) None of above. Show Answer Correct Answer: A) Prey. 2. Canada geese fly south in fall to find food. In spring they fly back up north to have their young. What type of behavior is this? A) Courtship. B) Defense. C) Migration. D) Hibernation. Show Answer Correct Answer: C) Migration. 3. Pioneer Species is A) A species like a dog or cat. B) Succession that occurs in an area in which no trace of a previous community is present. C) A species that lives in AREA 51. D) First species to populate an area during succession. Show Answer Correct Answer: D) First species to populate an area during succession. 4. Where would primary succession in an ecosystem NOT occur? A) Abandoned parking lot. B) Bare rock face or surface. C) Hardened lava flow. D) Forest burned by fire. Show Answer Correct Answer: D) Forest burned by fire. 5. Many science words can be easily broken down to find their true meaning. Look at the PREFIX below and match it to its meaning. A A) Home. B) Life. C) Not/Without. D) Abode. Show Answer Correct Answer: C) Not/Without. 6. The complex feeding patterns of all of the organisms in an ecosystem can best be displayed with a ..... A) Pyramid of numbers. B) Food web. C) Food chain. D) Trophic levels. Show Answer Correct Answer: B) Food web. 7. Water abstraction-water intake water quality criteria-water quality criteria A) False. B) True. Show Answer Correct Answer: B) True. 8. All members of one species in a certain area. A) Limiting Factors. B) Immigration. C) Birth Rate. D) Population. Show Answer Correct Answer: D) Population. 9. A liquid fossil fuel formed from the remains of animals, algae, and other organisms from the ocean is ..... A) Coal. B) Biomass. C) Petroleum. D) Natural gas. Show Answer Correct Answer: C) Petroleum. 10. Plant living in low light areas might compensate by having ..... A) Larger leaves. B) More xylem vessels. C) Larger roots. D) More stomata. Show Answer Correct Answer: A) Larger leaves. 11. The greatest threat that invasive species pose to ecosystems is: A) Disrupting symbiotic relationships. B) Competition with other species. C) Predation on other species. D) Disrupting nutrient cycles. Show Answer Correct Answer: B) Competition with other species. 12. What is a "carrying capacity" ? A) The max population a certain area can hold. B) A capacity that carries its team. C) The max population the universe can hold. D) The max population the world can hold. Show Answer Correct Answer: A) The max population a certain area can hold. 13. Define community A) Place organism where the inhabit. B) A group of same species living together. C) A group of different species living together in a particular area. D) Role of an organism. Show Answer Correct Answer: C) A group of different species living together in a particular area. 14. Measures the acidity of soil A) PH. B) Composition. C) Soil profile. D) None of above. Show Answer Correct Answer: A) PH. 15. An organism's way of life (role in its environment) A) Producer. B) Habitat. C) Niche. D) Consumer. Show Answer Correct Answer: C) Niche. 16. When a bird finds, catches, and eats a worm, the predator is the A) Worm. B) Bird. Show Answer Correct Answer: B) Bird. 17. Occurs when plants release water vapor through leaf pores A) Water cycle. B) Transpiration. Show Answer Correct Answer: B) Transpiration. 18. The primary cause of ozone depletion is A) Ill. B) Yes. C) PAN. D) CFCs. Show Answer Correct Answer: D) CFCs. 19. What level of ecological organization would include all squirrels that live in the same area? A) Community. B) Ecosystem. C) Population. D) Biome. Show Answer Correct Answer: C) Population. 20. In a habitat, animals have a ....., which is how they interact, get food and shelter. A) Population. B) Niche. C) Community. D) Ecosystem. Show Answer Correct Answer: B) Niche. 21. What lists the levels of organization in order from smallest to largest? A) Organism, community, population, biosphere, and ecosystem. B) Biosphere, ecosystem, community, population, and organism. C) Organism, population, community, ecosystem, and biospheres. D) Organism, population, community, biospheres and ecosystem. Show Answer Correct Answer: C) Organism, population, community, ecosystem, and biospheres. 22. Which of the following is not a renewable resource? A) Wind energy. B) Water. C) Solar energy. D) Coal. Show Answer Correct Answer: D) Coal. 23. Density Dependent Factor:definition A) Population changing factors that are triggered by an increase in a population density. B) Population changing factors that are triggered by an increase in species camouflage ability. C) Population changing factors that are triggered by no change in a population density. D) Population changing factors that are triggered by an increase in species size. Show Answer Correct Answer: A) Population changing factors that are triggered by an increase in a population density. 24. The deer, grasshopper, and bird are all examples of which type of consumers in a food pyramid? A) Tertiary consumers. B) Primary consumers. C) Producers. D) Secondary consumers. Show Answer Correct Answer: B) Primary consumers. 25. If the atmosphere is 78% N2, why can't we just get our nitrogen by breathing? A) We need Oxygen for cellular respiration. B) The legumes take it up first. C) Our lungs would be damaged by the N2. D) We have no mechanism to break the triple bond of nitrogen between the atoms. Show Answer Correct Answer: D) We have no mechanism to break the triple bond of nitrogen between the atoms. 26. Most eukaryotes are surrounded by a ..... A) Cell wall. B) Cell membrane. C) Cell envelope. D) Loving, supportive family. Show Answer Correct Answer: B) Cell membrane. 27. A single living thing A) Organism. B) Population. C) Community. D) None of above. Show Answer Correct Answer: A) Organism. 28. This biome has the highest biodiversity on land is humid and tropical and has poor soil quality A) Tundra. B) Tropical rainforest. C) Taiga. D) Desert. Show Answer Correct Answer: B) Tropical rainforest. 29. Which is the correct order of tropic levels? A) Quaternary Consumer, Tertiary Consumer, Secondary Consumer, Producer. B) Primary Consumer, Producer, Secondary Consumer, Tertiary Consumer. C) Producer, Primary Consumer, Secondary Consumer, Tertiary Consumer. D) Tertiary Consumer, Primary Consumer, Secondary Consumer, Producer. Show Answer Correct Answer: C) Producer, Primary Consumer, Secondary Consumer, Tertiary Consumer. 30. Predict what might happen to a population that is experiencing little immigration and emigration, low birth rate, and high death rate. A) The population grows outside of its habitat. B) The population decreases. C) The population increases. D) The population grows too much too fast. Show Answer Correct Answer: B) The population decreases. 31. This biome has no seasons. It is humid and the temperature is about 80 degrees all year. It rains everyday. A) Grassland. B) Desert. C) Tundra. D) Rainforest. Show Answer Correct Answer: D) Rainforest. 32. This ecosystem has the maximum biomass A) Grassland ecosystem. B) Pond ecosystem. C) Lake ecosystem. D) Forest ecosystem. Show Answer Correct Answer: D) Forest ecosystem. 33. What is a living thing that makes its own food? A) Carnivore. B) Herbivore. C) Producer. D) Consumer. Show Answer Correct Answer: C) Producer. 34. If all the members of a species disappears from Earth, the species is said to be? A) Threatened. B) Endangered. C) Keystone species. D) Extinct. Show Answer Correct Answer: D) Extinct. 35. The place in which a plant, animal, bird or fish normally lives is its ..... A) Habitat. B) Food chain. C) Eco-community. D) Eco-friendly. Show Answer Correct Answer: A) Habitat. 36. Why are fossil fuels considered nonrenewable? A) They took millions of years to form. B) They only formed once. C) They form quickly. D) They are used as soon as they form. Show Answer Correct Answer: A) They took millions of years to form. 37. What is a relationship between two or more organisms in which at lease one organism will benefit? A) Adaptation. B) Mimicry. C) Limiting Factor. D) Symbiosis. Show Answer Correct Answer: D) Symbiosis. 38. Nitrogen fixation is when bacteria ..... A) Convert nitrogen from photosynthesis into nitrogen for cellular respiration. B) Convert unusable nitrogen into usable forms. C) Convert nitrogen bases into amino acids. D) Convert water from a liquid to a gas. Show Answer Correct Answer: B) Convert unusable nitrogen into usable forms. 39. The number of organisms that can survive in a balanced ecosystem A) Carrying capacity. B) Limited factor. C) Maximum security. D) None of above. Show Answer Correct Answer: A) Carrying capacity. 40. What types of organisms are in the first trophic level? Give an example. A) Producers (plants). B) Consumers (humans). Show Answer Correct Answer: A) Producers (plants). 41. Worms are considered ..... A) Producer. B) Consumer. C) Decoposer. D) None of above. Show Answer Correct Answer: C) Decoposer. 42. Ostriches and gazelles are two animals that live in Africa. They graze for food near each other because they help each other spot predators. The gazelle has excellent eyesight, but poor hearing, and the ostrich has excellent hearing, but poor eyesight. These two animals will alert one another when danger is near. Which term best describes this relationship? A) Commensalism. B) Parasitism. C) Mutualism. D) Predation. Show Answer Correct Answer: C) Mutualism. 43. What is true about the pyramid of numbers? A) There are more third-level consumers than second-level consumers. B) First-level consumers make up the greatest number of individuals. C) There are more producers than first-level consumers. D) There are more second-level consumers than first-level consumers. Show Answer Correct Answer: B) First-level consumers make up the greatest number of individuals. 44. Some bacteria in the soil can change nitrogen compounds back into A) Nitrogen gas. B) Sugar. C) Proteins. D) Oxygen. Show Answer Correct Answer: A) Nitrogen gas. 45. Which best describes eutriphication? A) Forest burning down. B) Humans causing succession. C) Pond slowly filling with sediment over time; becoming a forest. D) Growth of an ecosystem following a disturbance. Show Answer Correct Answer: C) Pond slowly filling with sediment over time; becoming a forest. 46. Which animal is a predator in the rainforest? A) Giraffe. B) Camel. C) Jaguar. D) Zebra. Show Answer Correct Answer: C) Jaguar. 47. What is an advantage of using biomass-based fuels? A) It increases the amount of nonrenewable resources needed. B) It will increase biodiversity. C) It increases the amount of fossil fuels needed. D) It decreases the amount of nonrenewable resources needed. Show Answer Correct Answer: D) It decreases the amount of nonrenewable resources needed. 48. Which biome is the most diverse? A) Tropical rainforest. B) Tundra. C) Grassland. D) Deciduous rainforest. Show Answer Correct Answer: A) Tropical rainforest. 49. A diagram of the living things in an ecosystem that shows all of the paths energy can take as it travels from producers to consumers is a A) Food chain. B) Food web. Show Answer Correct Answer: B) Food web. 50. Consist of living things in an ecosystem A) Food chain. B) Living environment. C) Consumer. D) Physical environment. Show Answer Correct Answer: B) Living environment. 51. Which biome is characterized by little rain, hot days, and cool nights A) Savannah. B) Tundra. C) Tropical rainforest. D) Hot desert. Show Answer Correct Answer: D) Hot desert. 52. What is an organism that breaks down waste and dead organisms? A) Decoposer. B) Producer. C) Consumer. D) Autotroph. Show Answer Correct Answer: A) Decoposer. 53. Which relationship is referring to the contest among organisms to get all they need to survive? A) Parasitism. B) Predation. C) Symbiosis. D) Competition. Show Answer Correct Answer: D) Competition. 54. Box turtles get their energy from insects, berries, and fruit. Box turtles are ..... A) Herbivores. B) Omnivores. C) Producers. D) Carnivores. Show Answer Correct Answer: B) Omnivores. 55. The process where plants use water and carbon dioxide to provide food for themselves (and also let go oxygen) is called: A) Photosynthesis. B) Predation. C) Chemosynthesis. D) Respiration. Show Answer Correct Answer: A) Photosynthesis. 56. What organism eats the snake? A) Bird. B) Frog. C) Hawk. D) None. The snake is a top predator. Show Answer Correct Answer: C) Hawk. 57. It is not illegal to fish for salmon but there are very strict regulations A) False. B) True. Show Answer Correct Answer: B) True. 58. What is a group of ecosystems that share similar climates and types of organisms called? A) An ecosystem. B) A biome. C) A community. D) A biosphere. Show Answer Correct Answer: B) A biome. 59. What is energy lost off the trophic pyramid as? A) Water. B) Heat. C) Sunlight. D) Plants. Show Answer Correct Answer: B) Heat. 60. Large industrial use of wind energy: A) Is practical anywhere there is wind. B) Is restricted to localized areas of consistent wind. C) Cannot be developed anywhere. D) None of above. Show Answer Correct Answer: B) Is restricted to localized areas of consistent wind. ← 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