Ecology Unit Concepts 1-3 Review
Quiz by Catherine Tate
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46 questions
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- Q1What is the primary sink for nitrogen for living organisms?Nitrogen gas in the atmosphereNitrate in soilAtmospheric nitrogenAmmonia in water30s
- Q2Which bacteria are responsible for converting nitrogen gas into ammonia?Denitrifying bacteriaNitrifying bacteriaCyanobacteriaNitrogen-fixing bacteria30s
- Q3What is the process by which ammonia is converted into nitrite and then nitrate in the soil?NitrificationDenitrificationNitrogen fixationAmmonification30s
- Q4Which process returns nitrogen gas to the atmosphere?NitrificationAmmonificationDenitrificationNitrogen fixation30s
- Q5Which component of the nitrogen cycle involves lightning?AmmonificationDenitrificationNitrogen fixationNitrification30s
- Q6What happens to excess nitrogen in aquatic ecosystems?It stimulates plant growthIt enhances photosynthesisIt can cause eutrophicationIt makes the water more acidic30s
- Q7Which organisms play a major role in the nitrogen cycle by breaking down organic matter?ProducersDecomposersPredatorsConsumers30s
- Q8What is the process by which carbon dioxide is released into the atmosphere from burning fossil fuels?CombustionCombustionPhotosynthesisRespiration30s
- Q9Which of the following is NOT a greenhouse gas?Water vaporCarbon dioxideOxygenMethane30s
- Q10What is the process by which carbon is removed from the atmosphere?PhotosynthesisCombustionRespirationDecomposition30s
- Q11What is the primary way in which humans contribute to the increase of carbon dioxide in the atmosphere?Eating vegetablesBurning fossil fuelsDriving electric carsPlanting trees30s
- Q12Which of the following is the largest carbon sink?SoilThe oceanGlucose in living organismsPlants30s
- Q13What is the name of the process by which carbon is released from dead organisms into the environment?DecompositionCombustionPhotosynthesisRespiration30s
- Q14Which of the following human activities contributes to deforestation?LoggingUsing solar powerPlanting treesRecycling30s
- Q15What is the primary driving force of the hydrologic cycle?The movement of tectonic platesThe Moon's gravityThe Earth's gravityThe sun's energy30s