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- Bacteria come in a variety of shapes and sizes.
- These are identified and classified according to their shape.
- Bacteria are ten times the size of viruses.
- All bacteria divide into two smaller bacteria to multiply.
- Bacteria have a variable life span ranging from 12 minutes to 24 hours.
- It causes disease in humans and enters the body through the air, water, and food.
- Bacteria consume nutrients from our bodies and harm us by multiplying.
- Not all bacteria are harmful; in fact, some are beneficial to humans.
- Some good bacteria aid in digestion, curdling, and other processes.
- Some good bacteria boost our immune systems.
