what are the characteristics of fungi
1 The cell walls of these non-motile cells are made of chitin. 2  Fungi are heterotrophic organisms. 3  The only difference between other heterotrophic animals and fungi is that fungi digest and then ingest the food. 4  Fungi release enzymes on the body of the other living things and thrive on them. The only difference between other heterotrophic animals and fungi is that fungi digest and then ingest the food. 2  Fungi release enzymes on the body of the other living things and thrive on them. 3  Fungi lack chlorophyll, which is a pigment used by plants to produce food.