19 chapter 4microorganisms introduction
TRANSCRIPT
Chapter 4Microorganisms
Some organisms are not made from tissues, organs and organ systems .
These organisms have a body made from only one cell and are called : microorganisms.
Most can only be seen by using microscope but some grow together in such large numbers that their colonies can be seen by naked eye.
They are divided into three large groups or Kingdoms.
They are:1)Fungi
2)Monera
3)Protoctista
Viruses
Decomposers