chemosynthesis vs. photosynthesis

chemosynthesis

[kee-moh-sin-thuh-sis, kem-oh-] / ˌki moʊˈsɪn θə sɪs, ˌkɛm oʊ- /

noun

Biology, Biochemistry.

the synthesis of organic compounds within an organism, with chemical reactions providing the energy source.

photosynthesis

[foh-tuh-sin-thuh-sis] / ˌfoʊ təˈsɪn θə sɪs /

Biology, Biochemistry.

the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.