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A1.3 - Microbes

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  • ✓State that bacteria, fungi and viruses are microbes (microorganisms).
  • ✓Describe the structure of bacteria, fungi and viruses.
  • ✓Compare the structures of the three groups of microbes.
  • ✓Relate basic structure to their role in health and disease in the Caribbean context.
⏱ 0 mins🎯 43 marks
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Imagine a slice of bread left on the kitchen counter in Barbados or Jamaica for a few days. Green and black spots start to appear; that is mould, a type of fungus. Or think of a child with a sore throat caused by bacteria, or dengue fever caused by a virus spread by mosquitoes. All of these involve tiny living things called microbes. When you hear 'microbe' or 'microorganism', think 'too small to see clearly without a microscope'. An example from the Caribbean context includes leptospirosis after heavy rain (bacteria), bread mould on roti or bakes (fungus), and dengue fever (virus).

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Before today, had you studied microbes in school?

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How confident are you about microbes right now?

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Make a prediction before we start: Which statement do you think best describes a microbe / microorganism?

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Imagine a slice of bread left on the kitchen counter in Barbados or Jamaica for a few days. Green and black spots start to appear; that is mould, a type of fungus. Or think of a child with a sore throat caused by bacteria, or dengue fever caused by a virus spread by mosquitoes. All of these involve tiny living things called microbes. When you hear 'microbe' or 'microorganism', think 'too small to see clearly without a microscope'. An example from the Caribbean context includes leptospirosis after heavy rain (bacteria), bread mould on roti or bakes (fungus), and dengue fever (virus).

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