The organisms are able to survive in this harsh environment because they are able to use the energy from the sun to synthesize their own food. They are also able to reproduce, which allows them to spread and evolve.

Over time, these organisms evolve into more complex forms of life. Eventually, they give rise to the first plants and animals.

The origin of life is a complex and fascinating mystery. However, the evidence suggests that it began in the oceans of early Earth.