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 decaying organic compounds.
C) use light energy to synthesize organic matter from inorganic matter.
D) use chemical energy to synthesize organic matter from decaying matter.
E) convert light and chemical energy into inorganic and organic matter.