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.

Question

Quizplus · Accepted Answer

Photosynthetic organisms are unique because they use light energy to synthesize organic compounds, such as glucose, from inorganic compounds, such as carbon dioxide and water. This process is called photosynthesis and is the basis of most food webs on Earth. Other organisms, such as animals and some bacteria, rely on consuming other organisms for these organic compounds.

Photosynthetic Organisms Are Unique to Most Ecosystems Because They