The organisms that make up lichen ____.

A) benefit from each other
B) infect human body surfaces
C) increase the surface area of plant partners
D) obtain sugar by fungal photosynthesis
E) are plant parasites

Lichen

Symbiotic organisms composed of a fungus and a photosynthetic partner (usually an alga or cyanobacterium) that live together and function as a single ecological unit.

Benefit From Each Other

A situation or relationship in which all parties involved gain advantages or positives from their association or interaction.

Plant Parasites

Organisms that derive nutrients at the expense of plants, often causing harm to their plant hosts.