Which process helps microorganisms make food with chemicals pouring out of deep-sea vents?
synaptogenesis
photosynthesis
cross matching
chemosynthesis
There are many more organisms around deep-sea vents. Microorganisms use chemicals that pour out of the vents to make food by chemosynthesis. These producers support large numbers of other organisms, including crustaceans and red tubeworms like those pictured in Figure below .