20. Other Scientists Aren’t So Sure
Some scientists think that the abiotic genesis of low-weight hydrocarbons is not necessarily evidenced for the abiotic genesis of life. There is a large leap from the generation of low-weight hydrocarbons, such as methane, and the generation of DNA molecules.
Microscopic forms of life do exist at the vents, and some of the lifeforms there do not exist anywhere else that we know of. However, there may be other ways to explain their presence, such as the genetic mutation that enable them to thrive in the extreme environment of the vents.