Photosynthetic Organisms Are Unique to Most Ecosystems Because They

Multiple Choice

Photosynthetic organisms are unique to most ecosystems because they

A) synthesize organic compounds they obtain from decaying heterotrophs.
B) synthesize inorganic compounds from organic compounds.
C) use light energy to synthesize organic compounds from inorganic compounds.
D) use chemical energy to synthesize organic compounds.
E) convert light energy into matter.