They use sunlight to make their own food.
They can causes diseases but some break down dead organisms (natural recyclers).
Mosty unicellular microbes, microscopic organisms and multicellular organisms.
They often live in extreme conditions (for example in volcanic vents).
Some are classified by WHERE they are found.
The first division of this group is called a phylum.
They are classified by their shapes (rods, spheres, or spirals).
They can live in ALMOST any enviroment (soil, air water and even your body)
Classes are divided into orders, then families and then genera and finally species.
Some RESEMBLE plants and others animals.
They do NOT make their own food.
They are divided into vascular and nonvascular (veins or tubes in roots, stems, and leaves).
