Lichen is a composite organism made up of ____.

A) two different fungi
B) a fungus and an autotroph
C) a fungus and a gymnosperm
D) a fungus and an amoeba
E) a fungus and a protozoan

Composite Organism

An entity consisting of two or more different species forming a symbiotic relationship, appearing or functioning as a single biological unit.

Lichen

Composite organism consisting of a fungus and green algae or cyanobacteria.

Autotroph

An organism capable of synthesizing its own food from inorganic substances using light or chemical energy, such as plants and some bacteria.