Which one of the following types of organisms most closely resembles the common ancestor of all life?

A) plants

B) bacteria

C) fungi

D) animals

E) archaea

Option E.

The type of organism that most closely resembles the common ancestor of all life is Archaea.

Explanation:

Archaea is the single celled organism having close resemblance to the bacteria in its property of lacking nucleus. However, the other properties of Archaea has a lot of similarity to the eukaryotes. The size and shape of Archaea is more similar to the bacteria. While, the genetic makeup and different metabolic pathways resembles to the eukaryotes especially the enzymes involved in the transcription and translation.