G5-6 MULT CHOICE
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Questions and Answers

Which factor significantly affects how the population dynamics of an ecosystem are interpreted?

  • Interactions and relationships between species
  • Density-dependent factors
  • Population size and growth (correct)
  • Density-independent factors

    • What brings a much stronger impact on population dynamics compared to its counterpart?

  • Population size and growth
  • Density-independent factors
  • Interactions and relationships between species
  • Density-dependent factors (correct)

    • What is the process by which the variety of species and environment in a region changes over time?

  • Interactions and relationships between species
  • Population size and growth
  • Ecological succession (correct)
  • Density-dependent factors

    • What are ecosystems composed of?

    <p>Intricate and complex relationships between species</p> Signup and view all the answers

    What do conservation efforts aim to do?

    <p>Restore and protect population</p> Signup and view all the answers

    Why are balanced population dynamics vital for biodiversity and ecosystem health?

    <p>Interactions and relationships between species</p> Signup and view all the answers

    Which of the following is a fundamental ecological concept that describes how energy is transferred and transformed within an ecosystem?

    <p>Food chains</p> Signup and view all the answers

    Which of the following best describes the Law of Thermodynamics in relation to energy flow?

    <p>Energy can only be transformed from one form to another</p> Signup and view all the answers

    Which biogeochemical cycle involves the continuous movement of carbon atoms between the atmosphere and the Earth?

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

    What factors can influence population dynamics?

    <p>All of the above</p> Signup and view all the answers

    Which of the following can impact ecological balance and population dynamics on an island?

    <p>Both predators and competition among species</p> Signup and view all the answers

    What is the significance of trophic systems in facilitating energy flow?

    <p>They facilitate the flow of energy through different trophic levels</p> Signup and view all the answers

    Which of the following best describes a food web?

    <p>A network of trophic interactions between species</p> Signup and view all the answers

    What is the significance of a food web compared to a simple food chain?

    <p>It provides alternate sources of food</p> Signup and view all the answers

    Which factor is NOT important in determining which species can survive in an ecosystem?

    <p>Amount of sunlight</p> Signup and view all the answers

    What is the role of autotrophs in an ecosystem?

    <p>They produce their own food using energy from the sun</p> Signup and view all the answers

    Which statement about natural ecosystems is correct?

    <p>They include forest and marine ecosystems</p> Signup and view all the answers

    What is the role of heterotrophs in an ecosystem?

    <p>They obtain energy by consuming other organisms</p> Signup and view all the answers

    Which type of ecosystem is formed by human interference and for a specific purpose?

    <p>Artificial ecosystem</p> Signup and view all the answers

    What are the components of a trophic system?

    <p>Producers and consumers</p> Signup and view all the answers

    What is the primary source of energy in a grazing food chain?

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

    What is an example of a symbiotic trophic interaction?

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

    Which ecological principle states that energy flows one way, from the sun to producers, then to consumers in a food chain?

    <p>Food chains</p> Signup and view all the answers

    Which population has the smallest size in a food chain?

    <p>Quaternary consumers</p> Signup and view all the answers

    Which of the following best describes an aquatic ecosystem?

    <p>An ecosystem that exists only in and around a body of water</p> Signup and view all the answers

    What are the two separate components that make up an ecosystem?

    <p>Biotope and biocenosis</p> Signup and view all the answers

    Which type of ecosystem is necessary for the supply of services and ecological processes for all life on Earth?

    <p>Terrestrial ecosystem</p> Signup and view all the answers

    What is the role of human-ecosystem interaction?

    <p>To impact natural ecosystems</p> Signup and view all the answers

    Which of the following is NOT an importance of ecosystems?

    <p>Economic value</p> Signup and view all the answers

    What is an artificial ecosystem?

    <p>An ecosystem that is built and managed by humans</p> Signup and view all the answers

    Which type of growth model explains population trends in a balanced ecosystem?

    <p>Logistic growth model</p> Signup and view all the answers

    What is the main factor that significantly affects the interpretation of population dynamics in an ecosystem?

    <p>Population size</p> Signup and view all the answers

    Which factors have a stronger impact on population dynamics in an ecosystem?

    <p>Density-dependent factors</p> Signup and view all the answers

    What is the process by which the variety of species and environment in a region changes over time?

    <p>Ecological succession</p> Signup and view all the answers

    What are ecosystems primarily composed of?

    <p>Biotic factors</p> Signup and view all the answers

    Which type of factors bring a stronger impact on population dynamics in an ecosystem?

    <p>Density-dependent factors</p> Signup and view all the answers

    What is the main goal of conservation efforts in relation to populations?

    <p>To restore and protect population</p> Signup and view all the answers

    What are the key aspects of population dynamics in an ecosystem?

    <p>Interactions and relationships between species</p> Signup and view all the answers

    What is the significance of understanding population dynamics in an ecosystem?

    <p>To achieve sustainable coexistence of species</p> Signup and view all the answers

    What is the term for the final stage of ecological succession where an established forest is attained?

    <p>Climax community</p> Signup and view all the answers

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