The word "protozoa" mean "little". The most abundant animals in the world are protozoa. Their role in ecology is a very important one. Protozoa also include many parasites. Protozoa have one cell, there are more than 50,000 species in the protozoa group. Most protozoa are found mainly in ponds, soil, lakes and rivers. Some of them eat other microorganisms as food.
There are an example of protozoas
|protozoa under microscope|
|protozoa in the soil|
|protozoa in the water|
Tissue associated by protozoa