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Ants are distinct from other insects in having the following:

  • Elbowed antennae
  • Metapleural glands (glands which produce and secrete antibiotics onto the exoskeleton, preventing the growth of bacteria and fungus)
  • A narrow waist (a considerable constriction of their second abdominal segment)

Like all other insects, ants have:

  • An exoskeleton
  • Spiracles (primative valves), in place of lungs
  • A dorsal aorta, in place of a heart
  • A ventral nerve cord with gangila and branches to the extremeties

Tags: Morphology & Physiology

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