Biology Review: Characteristics of Living Things and Classification
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Questions and Answers

Why are viruses not considered living organisms?

  • They do not have the ability to reproduce independently.
  • They lack cellular structure and organelles. (correct)
  • Viruses do not exhibit metabolic processes.
  • Viruses cannot respond to stimuli from the environment.

    • What distinguishes prokaryotic cells from eukaryotic cells?

  • Ability to perform photosynthesis
  • Complex internal membrane system
  • Absence of a nucleus (correct)
  • Presence of a cell wall

    • Which characteristic is common to all living organisms?

  • Cell wall made of cellulose
  • Respiration (correct)
  • Unicellularity
  • Photosynthesis

    • What is the primary difference between archaea and bacteria?

    <p>Genetic material</p> Signup and view all the answers

    Why is Gram staining a useful technique in microbiology?

    <p>To distinguish between cell walls of bacteria</p> Signup and view all the answers

    What evidence supports the endosymbiotic theory about mitochondria and chloroplasts?

    <p>Presence of ribosomes within mitochondria and chloroplasts</p> Signup and view all the answers

    Which characteristic is unique to fungi compared to other living organisms?

    <p>Reproduction through spores</p> Signup and view all the answers

    What distinguishes gymnosperms from angiosperms?

    <p>'Naked' seeds</p> Signup and view all the answers

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