Colleen Cavanaugh discovery through her research on deep-sea food webs was the symbiotic role that bacteria play in chemosynthesis.
This is defined as the relationship between two different biological organisms in an ecosystem.
The symbiotic bacteria found inside the tubeworm uses hydrogen sulfide from the vents as an energy source for themselves and the worms which depicts a symbiotic relationship and was discovered by her.
Read more about Symbiosis here https://brainly.com/question/494031
