Answer:
B
Explanation:
Extracellular digestion is a form in which lager molecular food substances are first digested by chemical activities of enzymes and acids outside the cells,before been absorbed into the body cells.
Fungi are examples of organism with this mode of digestion. They use external source of energy to breakdown the food substances before digestion.They are called heterotrophic organism because they can not manufacture their food ,but rather depend on external source of energy derived from the organic matter from the host they feed live on,
The energy sources are the carbohydrates and proteins from the host.
