Micro-organisms

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Micro-organisms

  1. 1. Micro-organismsBy: Julie
  2. 2. Beneficial Effects Neutralise viruses that are attacking our body. Produce vaccines, antibiotics and other drugs that fight infections. Helps with the decomposing process. Breaks down waste, dead plants and animals. Makes nutrients for living things. Makes products like bread, beer and cheese. Certain micro-organisms like bacteria and yeasts that live on the human skin prevent overgrowth of harmful organisms.
  3. 3. Harmful Effects Makes you sick (viruses, bacteria) Produce toxins that make you ill. Causes plant diseases Too much of bad micro-organisms can keep good ones from growing. Cause gastrointestinal infections as a result of the ingestion of contaminated food. Contaminate foods

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