Which Statement Is TRUE Regarding Energy Sources Used by Organisms

Multiple Choice

Which statement is TRUE regarding energy sources used by organisms?

A) Phototrophs can use carbon dioxide as a carbon source.
B) Phototrophs can use carbon dioxide as an energy source.
C) All phototrophs are autotrophs.
D) All chemotrophs are heterotrophs.
E) All phototrophs are autotrophs that can use carbon dioxide as a carbon source.