Biology Quiz on Ecosystems and Energy Flow
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Questions and Answers

Which biome is characterized as a cold desert with no trees?

  • Tundra (correct)
  • Grasslands
  • Boreal
  • Temperate deciduous
  • The biosphere includes only the atmosphere and hydrosphere.

    False

    What is the study of how organisms interact with each other and the environment called?

    Ecology

    In the carbon cycle, the major reservoir of carbon is the ______.

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

    Match the following biomes with their characteristics:

    <p>Grasslands = Produces most of our grains, including wheat Boreal = Produces most of our lumber from coniferous trees Marine = Includes oceans, coral reefs, and coastal areas Freshwater = Encompasses rivers, lakes, and wetlands</p> Signup and view all the answers

    Which term refers to the number of different types of species in an area?

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

    Sustainability refers to managing resources without exhausting them.

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

    The ______ is the layer of gases surrounding Earth.

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

    What is the primary function of nitrogen fixation?

    <p>Convert nitrogen gas to ammonia</p> Signup and view all the answers

    Producers are organisms that cannot produce their own food.

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

    What is the main pigment involved in photosynthesis?

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

    In a food chain, primary consumers eat ________.

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

    Match the following terms with their definitions:

    <p>Carrying Capacity = Maximum number of individuals an ecosystem can support Symbiosis = Close interactions between different species Predation = One organism eating another for food Limiting Factors = Factors that prevent population increase</p> Signup and view all the answers

    Which of the following is NOT a type of symbiotic relationship?

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

    In a typical food pyramid, energy is transferred in a 10% efficiency rate from one trophic level to the next.

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

    What happens to the remaining 90% of energy not passed on to the next trophic level?

    <p>60% is lost as waste and 30% is used for bodily processes.</p> Signup and view all the answers

    Signup and view all the answers

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