Assertion: ocean's ecosystem | /r/HasAspect | symbiotic relationship
Facets:
value: with bacteria
type: OTHER
value: with hydrocarbon compounds
type: OTHER
Source sentences:
text: Such environments include hydrothermal vents and black smokers and cold seeps on the ocean floor, with entire ecosystems of organisms that have a symbiotic relationship with bacteria and hydrocarbon compounds that provided energy through a process called chemosynthesis.