Ecology and Ecosystem Concepts
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Questions and Answers

What is the primary function of a food chain within an ecosystem?

  • To illustrate the transfer of energy and nutrients through a community (correct)
  • To classify organisms based on their sizes
  • To identify the habitats of different organisms
  • To show the physical characteristics of organisms
  • Which of the following best defines a predator?

  • An organism that provides energy through photosynthesis
  • A living thing that competes for resources in an ecosystem (correct)
  • An animal that hunts and consumes other animals (correct)
  • A plant that relies on sunlight for energy
  • How does a food web differ from a food chain?

  • A food web consists of several interconnected food chains. (correct)
  • A food web only represents energy transfer among plants.
  • A food web includes only herbivores, while a food chain includes all types of consumers.
  • A food web is a linear sequence, while a food chain is complex and interconnected. (correct)
  • What role does competition play in an ecosystem?

    <p>It can limit the growth of populations due to shared resource demands.</p> Signup and view all the answers

    Which of the following adaptations helps animals survive in extreme climates?

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

    What is defined as all the living organisms and their environment in a certain section of the earth?

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

    Which term describes all organisms of the same species that live in an ecosystem?

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

    How is a niche defined in the context of an ecosystem?

    <p>The role and function of an organism in the ecosystem</p> Signup and view all the answers

    Which of the following best describes conifers?

    <p>Conifer-bearing trees that lose leaves in winter</p> Signup and view all the answers

    What term refers to the amount of dissolved salt in water within a biome?

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

    What is the primary role of a predator in an ecosystem?

    <p>To hunt and eat other animals</p> Signup and view all the answers

    Which of the following best describes a food web?

    <p>A system consisting of multiple interconnected food chains</p> Signup and view all the answers

    How does competition among organisms typically manifest in an ecosystem?

    <p>Several organisms seek to use the same resources</p> Signup and view all the answers

    What term is used to describe the special characteristics that help animals survive in their environment?

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

    In which scenario would you find the impact of a group of animals most evident in an ecosystem?

    <p>When a group of animals interacts with each other and their environment</p> Signup and view all the answers

    What defines a population within an ecosystem?

    <p>All organisms of the same species living in an ecosystem.</p> Signup and view all the answers

    Which term refers to the role an organism plays within its ecosystem?

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

    What is the primary function of producers in an ecosystem?

    <p>To create food from sunlight, making energy available for other organisms.</p> Signup and view all the answers

    Which type of organism is responsible for breaking down dead matter and waste?

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

    What distinguishes a community from an ecosystem?

    <p>A community consists of different species of organisms living together, excluding their physical environment.</p> Signup and view all the answers

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