Yes it is. The most common definition of an autotroph is "an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers." By that definition, a pine tree certainly qualifies.
autotroph
Heterotroph
heterotroph
autotroph
A banana tree is an autotroph because it can produce its own food through photosynthesis. It has chlorophyll in its leaves which enables it to convert sunlight into energy.
heterotroph
Heterotroph.
Heterotroph
Heterotroph
heterotroph
heterotroph.
Heterotroph.