This work can be given as a simple lesson for younger children as an introduction to living things and then given again in an expanded version to older children before their introduction to the Classification Charts. Refer to the book Parade of Life , published by Prentice Hall, for detailed information you or your children may be seeking on these animals. It would be impossible to say, so to make things easy, biologists have divided them into five big kingdoms. Bacteria is in the Moneran Kingdom.
Bacteria are tiny organisms that can only be seen by a very high-powered microscope.
Blue green algae from the Archaic Era 3.5 billion year ago was actually a bacteria. There are helpful and harmful bacteria in the world. Helpful bacteria makes yogurt. One type of harmful bacteria gives you strep throat. Protists are one celled organisms.