Respuesta :
The energy that the bacteria use to make the carbohydrates is the chemical from the vents.
Chemosynthesis is the process by which they obtain chemical energy from the minerals and chemical compounds that spew from the vents, as opposed to using light energy like plants do to convert carbon dioxide into sugar. These compounds—such as hydrogen sulfide, hydrogen gas, ferrous iron and ammonia—lack carbon.
Tubeworms do not eat. They have neither a mouth nor a stomach. Instead, billions of symbiotic bacteria living inside the tubeworms produce sugars from carbon dioxide, hydrogen sulfide, and oxygen. Some of these sugars are consumed by the tubeworms.
Symbiotic bacteria inside the tubeworm use the hydrogen sulfide released from the vents as an energy source for both the worms and themselves through a process known as chemosynthesis.
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