Factors Affecting Insect Abundance
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Questions and Answers

What is the function of the exoskeleton in insects?

  • Acts as external armour, provides space for muscle attachment, and prevents water loss (correct)
  • Serves as a sensory organ, aids in camouflage, and supports locomotion
  • Promotes digestion, facilitates respiration, and enables temperature regulation
  • Aids in flight, stores excess water, and enhances reproduction

    • How do insects minimize water loss from their body surface?

  • By increasing metabolic water production, promoting evaporation, and opening spiracles
  • By increasing body surface area, reducing wax production, and opening spiracles
  • By using lipids and polyphenols for waterproofing, developing a wax layer, and closing spiracles (correct)
  • By reducing lipid production, increasing spiracle size, and promoting water loss through the skin

    • What physiological and ecological advantages are conferred by the small size of most insects?

  • Access to numerous ecological niches, less space and energy requirements, and maximum energy utilization (correct)
  • Access to fewer ecological niches, excessive space and energy requirements, and minimal energy utilization
  • Reduced ecological niches, increased space and energy requirements, and minimal energy utilization
  • Access to limited ecological niches, excessive space and energy requirements, and minimal energy utilization

    • What is the purpose of the tracheal system of respiration in insects?

    <p>To ensure direct transfer of adequate oxygen to actively breathing tissues</p> Signup and view all the answers

    What contributes to the high reproductive potential of insects?

    <p>High egg laying capacity, short development period, careful selection of egg laying sites, and parental care</p> Signup and view all the answers

    What is one of the reasons for the dominance of insects?

    <p>Capacity for flight</p> Signup and view all the answers

    Why do insects thrive well under varied conditions?

    <p>Adaptability or Universality</p> Signup and view all the answers

    What contributes to the high number of individuals in a single insect species?

    <p>Capacity for flight</p> Signup and view all the answers

    What allows insects to have a good track record of adaption under different conditions?

    <p>Long geological history</p> Signup and view all the answers

    Which factor contributes to making insects the earliest groups to make their life on earth and to occupy vast habitats?

    <p>Adaptability or Universality</p> Signup and view all the answers

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