CH 8: Nutrient cycles
45 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a key process in the oxygen cycle that involves plants releasing oxygen?

  • Decomposition
  • Respiration (correct)
  • Metabolism
  • Combustion
  • How do plants contribute to the carbon cycle?

  • By absorbing nitrogen from the soil
  • By converting carbon dioxide into organic molecules through photosynthesis (correct)
  • By converting nitrates into ammonia
  • By releasing carbon dioxide during decomposition
  • Which process involves the conversion of atmospheric nitrogen into ammonia or nitrates?

  • Nitrogen Fixation (correct)
  • Respiration
  • Photosynthesis
  • Nitrification
  • What is the main reason why nitrogen must be converted into usable forms by living organisms?

    <p>To synthesize amino acids and nucleic acids</p> Signup and view all the answers

    Which process in the carbon cycle involves the burning of organic materials and fossil fuels?

    <p>Combustion</p> Signup and view all the answers

    What is a critical role of the nutrient cycles in ecosystems?

    <p>Maintaining the balance and flow of essential elements</p> Signup and view all the answers

    In the nitrogen cycle, what is the final step where nitrates are reduced back to nitrogen gas?

    <p>Denitrification</p> Signup and view all the answers

    What happens during metabolism and cellular respiration in the carbon cycle?

    <p>Organisms metabolize nutrients containing carbon and release carbon dioxide</p> Signup and view all the answers

    What is the primary source of water for evaporation in the water cycle?

    <p>Oceans</p> Signup and view all the answers

    Which term represents the combined process of evaporation and transpiration?

    <p>Evapotranspiration</p> Signup and view all the answers

    Which process involves water vapor cooling and converting back into liquid form?

    <p>Condensation</p> Signup and view all the answers

    Which process describes the return of water to Earth in various forms such as rain, sleet, snow, and hail?

    <p>Precipitation</p> Signup and view all the answers

    What is the process where water seeps into the soil, undergoing filtration and purification?

    <p>Infiltration</p> Signup and view all the answers

    What process involves plants losing water from their surfaces?

    <p>Transpiration</p> Signup and view all the answers

    Which term describes the continuous movement of water on, above, and below the surface of the Earth?

    <p>Water cycle</p> Signup and view all the answers

    What is the primary role of respiration in the oxygen cycle?

    <p>Releasing energy from nutrients using oxygen</p> Signup and view all the answers

    In the carbon cycle, what process involves the conversion of atmospheric carbon dioxide into organic molecules?

    <p>Photosynthesis</p> Signup and view all the answers

    What is the significance of photosynthesis in the nitrogen cycle?

    <p>Converting atmospheric nitrogen into ammonia or nitrates</p> Signup and view all the answers

    Which process returns carbon dioxide back into the atmosphere in the carbon cycle?

    <p>Combustion</p> Signup and view all the answers

    How do living organisms contribute to the nitrogen cycle through ingestion?

    <p>Obtaining nitrogen by consuming plants</p> Signup and view all the answers

    What is the primary function of nitrification in the nitrogen cycle?

    <p>Converting ammonia to nitrates</p> Signup and view all the answers

    Which step completes the oxygen cycle by consuming oxygen produced during photosynthesis?

    <p>Respiration</p> Signup and view all the answers

    In the carbon cycle, what process involves releasing carbon dioxide by decomposing organisms?

    <p>Metabolism and Cellular Respiration</p> Signup and view all the answers

    What key process in the water cycle involves water vapor converting back into liquid form?

    <p>Condensation</p> Signup and view all the answers

    Which process in the water cycle contributes to atmospheric moisture through plant loss?

    <p>Transpiration</p> Signup and view all the answers

    Which process in the water cycle involves the return of water to Earth in various forms?

    <p>Precipitation</p> Signup and view all the answers

    What term describes the combined process of evaporation and transpiration?

    <p>Evapotranspiration</p> Signup and view all the answers

    Which process in the water cycle involves water seeping into the soil and undergoing filtration?

    <p>Infiltration</p> Signup and view all the answers

    What is the primary source of water for evaporation in the water cycle?

    <p>Oceans</p> Signup and view all the answers

    Which process in the water cycle involves water freezing into ice or thawing?

    <p>Melting and Freezing</p> Signup and view all the answers

    How does the nitrogen cycle ensure the availability of nitrogen for living organisms?

    <p>By converting atmospheric nitrogen into ammonia or nitrates</p> Signup and view all the answers

    What is the primary role of combustion in the carbon cycle?

    <p>To convert organic molecules into carbon dioxide</p> Signup and view all the answers

    Why are photosynthesis and respiration considered complementary processes in the oxygen cycle?

    <p>Because one produces oxygen while the other consumes it</p> Signup and view all the answers

    What is the significance of precipitation in the carbon cycle?

    <p>It forms carbonates in ocean sediments</p> Signup and view all the answers

    In the nitrogen cycle, what is the function of denitrification?

    <p>Converting nitrates back to nitrogen gas</p> Signup and view all the answers

    Why is decomposition important in the carbon cycle?

    <p>To release stored carbon back into the atmosphere</p> Signup and view all the answers

    What is a key difference between the oxygen and nitrogen cycles?

    <p>The role of photosynthesis in producing oxygen in the oxygen cycle but not in the nitrogen cycle</p> Signup and view all the answers

    What distinguishes metabolism and cellular respiration in the carbon cycle from other processes?

    <p><em>Converting stored nutrients</em> containing carbon into energy and releasing carbon dioxide</p> Signup and view all the answers

    Which process in the water cycle is responsible for the filtration and purification of water as it permeates deeper into the soil?

    <p>Infiltration</p> Signup and view all the answers

    Which process in the water cycle significantly contributes to atmospheric moisture through plant loss?

    <p>Transpiration</p> Signup and view all the answers

    What term describes the combined process of evaporation and transpiration in the water cycle?

    <p>Evapotranspiration</p> Signup and view all the answers

    Which process in the water cycle involves the conversion of water vapor back into liquid form?

    <p>Condensation</p> Signup and view all the answers

    Which process in the water cycle returns water to Earth in various forms such as rain, sleet, snow, and hail?

    <p>Precipitation</p> Signup and view all the answers

    Which process in the water cycle involves water seeping into the soil and undergoing filtration?

    <p>Infiltration</p> Signup and view all the answers

    What is the primary source of water for evaporation in the water cycle?

    <p>Oceans</p> Signup and view all the answers

    More Like This

    Biogeochemical Cycles Overview
    14 questions

    Biogeochemical Cycles Overview

    BeneficialThermodynamics avatar
    BeneficialThermodynamics
    Biogeochemical Cycles Quiz
    15 questions

    Biogeochemical Cycles Quiz

    InvulnerableGold2463 avatar
    InvulnerableGold2463
    Biogeochemical Cycles Flashcards
    16 questions
    Use Quizgecko on...
    Browser
    Browser