Science · Topic 64 of 64
Microorganisms
⭐ MasteredMicroorganisms are living things too small to see without a microscope. They include bacteria, fungi, protists and some viruses.
💡 Fun fact
A single drop of pond water can contain thousands of microorganisms.
All about Microorganisms
Microorganisms are living things too small to see with the naked eye. They include bacteria, fungi, protists and some viruses, and they live almost everywhere on Earth.
Many microorganisms are helpful, such as those that break down waste, while others can cause disease.
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Real-life uses of Microorganisms
- Making bread, yoghurt and cheese
- Cleaning up pollution in soil and water
- Studying diseases in laboratories
Frequently asked questions about Microorganisms
What is a microorganism?
A microorganism is a living thing too small to see without a microscope.
Which microorganisms make bread rise?
Yeast, a type of fungus, makes bread rise.