Question

Which kind of organism does not generally require oxygen or sunlight to live?

Answer 1

Yes it is possible and one of the best example is;

Archaea.

Explanation:

Archaeans were among some of the first forms of life on Earth billions of years ago, and are believed to have developed separately to bacteria from a common ancestor nearly 4 billion years ago.

They eat hydrogen gas, carbon dioxide and sulphur.
One species of archaea uses sunlight to make energy much like plants, having a light-harvesting pigment in it's membrane,