By Alexandria Schmitz

What is Bacteria?

According to www.livescience.com, bacteria are microscopic single-celled organisms that thrive in diverse environments. They can live within soil, in the ocean and inside the human gut. Humans' relationship with bacteria is complex. Sometimes they lend a helping hand, by curdling milk into yogurt, or helping with our digestion. At other times they are destructive, causing diseases like pneumonia and MRSA.

3 Bad Kinds of Bacteria

Ways Bacteria is bad for Humans

  • Bacteria can contaminate a water, therefore polluting the water and hurting the wild game and the humans who eat the wild game (ex. fish, small critters)

  • Bacteria can cause many food-borne illnesses resulting from unwashed or under cooked products. It can be harmful to humans that consume the product and can result in food poisoning.

  • If a human gets a cut and it isn't treated properly it can cause and infection. Resulting in the human may result in death or having to get a limb removed.

Other Facts

Bacteria are considered living. They are so small you have to use a microscope to use a microscope. Bacteria produce oxygen. Bacteria's can live in icy to hot springs, they can even live in radioactive waste. A bacterium can be shaped like a sphere (coccus), rod (bacillus) or spiral (spirillum).

Here is a video explaining what a bacteria is.

Bacteria for Kids - Animation Video