Trophic Relationships and Food Chains Quiz
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Questions and Answers

What is the definition of Trophic Level?

  • The number of links from basal to apex predator
  • The weight of all individuals in a fish stock
  • The position of the organism in the food chain (correct)
  • The process of deriving energy from the environment

    • What does SSB stand for in the context of ecology?

  • Secondary Source Biomass
  • Species Survival Biomass
  • Sustainable Stock Balance
  • Spawning Stock Biomass (correct)

    • What is the concept related to energy flow and matter cycling?

  • Matter and energy are cycled simultaneously
  • Matter and energy remain static in ecosystems
  • Matter is cycled while energy flows (correct)
  • Energy is cycled while matter flows

    • What is the role of limiting nutrients in an ecosystem?

    <p>They limit the growth of organisms and are crucial for the ecosystem</p> Signup and view all the answers

    What does the food chain length refer to?

    <p>The number of links from basal to apex predator</p> Signup and view all the answers

    Energy needed to maintain existence

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

    Combined weight of all individuals in fish stock that reaches sexual maturity and capable of reproducing

    <p>Spawning Stock Biomass (SSB)</p> Signup and view all the answers

    Process of deriving energy

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

    Limits growth of organism, crucial seagrass - nitrates, nitrogen, phosphates always low in concentration

    <p>Limiting nutrient</p> Signup and view all the answers

    Position of organism in pyramid food chain

    <p>Trophic Level</p> Signup and view all the answers

    Ratio of energy flow at different points along a simplified food chain = 10% (grazer energy units / producer energy unit)

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

    Relationship between organisms Consumption - process of deriving ___________

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

    Population Boom - short food chain high young larval survival high spawning stock biomes largest organisms are the fewest in the ________

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

    Matter is cycled while energy flows ___________

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

    Laws of Thermodynamics: a. ___________

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

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