Photoheterotrophic is a term commonly used to describe organisms that utilize light as a source of energy while also obtaining nutrition from organic compounds. Some synonyms for this term may include photoheterotrophy, photosynthetic heterotrophy, or phototrophic heterotrophy. Other related terms may include photoautotrophic, which describes organisms that utilize light as an energy source and carbon dioxide as a carbon source, or chemoorganotrophic, which describes organisms that obtain their energy from organic compounds through chemical reactions. In the context of microbiology, these terms can be particularly useful in describing the various metabolic pathways that different microorganisms utilize for growth and survival in their respective environments.