What Do Autotrophs Require in Order to Produce Food for Themselves

Question

What do autotrophs require in order to produce food for themselves and all the heterotrophs?
A) sunlight, inorganic nutrients
B) sunlight, organic nutrients
C) an energy source, water
D) an energy source, inorganic nutrients
E) heat, water

Accepted Answer

Autotrophs require a source of energy, although not necessarily sunlight, and inorganic nutrients.