Galapagos Places: A hydrothermal vent © NOAA

A hydrothermal vent © NOAA

An organism is chemosynthetic when it uses chemicals to produce organic molecules – a process known chemosynthesis. Unlike photosynthesis, this does not require sunlight. Chemosynthetic organisms are primary producers. An example is the bacteria found around deep sea hydrothermal vents.


Glossary of Galapagos