Microorganisms

• 7 characteristics of life

  Movement, Respiration, React, Growth, Reproduction, Excretion, Nutrition
• What are antibiotics used for?

  treat bacterial and fungal infections
• What is antibiotic resistance?

  When a microorganism builds protection against antibiotics
• Types of Microorganisms

  • Bacteria
  • Fungi
  • Viruses
• mutualism


  two organisms living together and benefiting
• Colony


  • A large collection of microorganisms
  • visible without a microscope 🔬
• Food Spoilage 🤢

  • caused by bacteria and fungi

  PREVENTION

  • refrigeration: too cold for microorganisms to grow
  • pickling: acidity of vinegar destroys microorganisms
  • pasteurisation: heated to kill microorganisms
  • drying: no water, die
• Pathogens

  microorganisms that cause disease