The abiotic factor that is essential for all aquatic ecosystem with the exception of hydro thermal vent is SUNLIGHT, THIS IS BECAUSE IT PROVIDES A SOURCE OF ENERGY.
Sunlight is very essential for aquatic ecosystems because it is the principal source of energy from which aquatic plants trap energy to make their food and provided mean of sustenance for themselves and other organisms in the water.
The answer is True. Hope this helps.
Answer:
The bacteria are autotrophs that oxidize hydrogen sulfide in vent water to, Other processes seem to take place very slowly at vents
Explanation:
There's a thing that records sunshine?!?! my life is a lie
