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Ecology Unit Concepts 1-3 Review

Quiz by Catherine Tate

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46 questions
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  • Q1
    What is the primary sink for nitrogen for living organisms?
    Nitrogen gas in the atmosphere
    Nitrate in soil
    Atmospheric nitrogen
    Ammonia in water
    30s
  • Q2
    Which bacteria are responsible for converting nitrogen gas into ammonia?
    Denitrifying bacteria
    Nitrifying bacteria
    Cyanobacteria
    Nitrogen-fixing bacteria
    30s
  • Q3
    What is the process by which ammonia is converted into nitrite and then nitrate in the soil?
    Nitrification
    Denitrification
    Nitrogen fixation
    Ammonification
    30s
  • Q4
    Which process returns nitrogen gas to the atmosphere?
    Nitrification
    Ammonification
    Denitrification
    Nitrogen fixation
    30s
  • Q5
    Which component of the nitrogen cycle involves lightning?
    Ammonification
    Denitrification
    Nitrogen fixation
    Nitrification
    30s
  • Q6
    What happens to excess nitrogen in aquatic ecosystems?
    It stimulates plant growth
    It enhances photosynthesis
    It can cause eutrophication
    It makes the water more acidic
    30s
  • Q7
    Which organisms play a major role in the nitrogen cycle by breaking down organic matter?
    Producers
    Decomposers
    Predators
    Consumers
    30s
  • Q8
    What is the process by which carbon dioxide is released into the atmosphere from burning fossil fuels?
    Combustion
    Combustion
    Photosynthesis
    Respiration
    30s
  • Q9
    Which of the following is NOT a greenhouse gas?
    Water vapor
    Carbon dioxide
    Oxygen
    Methane
    30s
  • Q10
    What is the process by which carbon is removed from the atmosphere?
    Photosynthesis
    Combustion
    Respiration
    Decomposition
    30s
  • Q11
    What is the primary way in which humans contribute to the increase of carbon dioxide in the atmosphere?
    Eating vegetables
    Burning fossil fuels
    Driving electric cars
    Planting trees
    30s
  • Q12
    Which of the following is the largest carbon sink?
    Soil
    The ocean
    Glucose in living organisms
    Plants
    30s
  • Q13
    What is the name of the process by which carbon is released from dead organisms into the environment?
    Decomposition
    Combustion
    Photosynthesis
    Respiration
    30s
  • Q14
    Which of the following human activities contributes to deforestation?
    Logging
    Using solar power
    Planting trees
    Recycling
    30s
  • Q15
    What is the primary driving force of the hydrologic cycle?
    The movement of tectonic plates
    The Moon's gravity
    The Earth's gravity
    The sun's energy
    30s

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