Compare saprophytes and parasites.

·         Involve a single adult stage and spores in life cycle.

·         Use a variety of food sources

·         Have simple method of nutrition

·         Almost totally bacteria and fungi

·         There are aerobic and anaerobic forms.

·         Involve many stages in their life cycle

·         Are very specific to their hosts

·         Have a complex method of feeding

·         Most plant and animal groups have representatives

·         Most are aerobic