Community Ecology
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Questions and Answers

What is the term used to describe a species' way of life in a community?

  • Ecological habitat
  • Ecological niche (correct)
  • Species role
  • Environmental adaptation

    • What is the main difference between a generalist species and a specialist species?

  • Generalist species have broad niches, while specialist species have narrow niches (correct)
  • Generalist species are carnivores, while specialist species are herbivores
  • Generalist species are larger, while specialist species are smaller
  • Generalist species have narrow niches, while specialist species have broad niches

    • What is the term used to describe the place where a species lives?

  • Environmental adaptation
  • Species role
  • Ecological niche
  • Ecological habitat (correct)

    • What is the role of a species that can live in many different places and eat a variety of foods?

    <p>Generalist species</p> Signup and view all the answers

    What is the consequence of specialist species having narrow niches?

    <p>They are more prone to extinction when environmental conditions change</p> Signup and view all the answers

    What is the term used to describe the roles that a species plays in an ecosystem?

    <p>Species role</p> Signup and view all the answers

    What are the two components of species diversity in a community?

    <p>Species richness and species evenness</p> Signup and view all the answers

    What is a characteristic of a biologically diverse community like a tropical rain forest or a coral reef?

    <p>High species richness and low species evenness</p> Signup and view all the answers

    What is the result of high species richness in an ecosystem?

    <p>The ecosystem is more productive and more sustainable</p> Signup and view all the answers

    What is the relationship between species diversity and ecosystem stability?

    <p>Higher species diversity leads to higher ecosystem stability</p> Signup and view all the answers

    What is the main difference between species richness and species evenness?

    <p>Species richness is the number of different species, while species evenness is the proportion of each species</p> Signup and view all the answers

    Why is it important to study species diversity in community ecology?

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

    What is the primary factor that determines the abundance of organisms at each trophic level in bottom-up control?

    <p>Nutrient supply</p> Signup and view all the answers

    What type of species exert a disproportionate influence on community structure despite being less abundant?

    <p>Keystone species</p> Signup and view all the answers

    What is the term for the large or abundant members of a community that provide food or habitat?

    <p>Foundation species</p> Signup and view all the answers

    What is the term for a chain of organisms that are linked by predator-prey relationships?

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

    What is the term for a complex network of food chains?

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

    What is the term for species that influence community structure through their effects on the physical environment?

    <p>Ecosystem engineers</p> Signup and view all the answers

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