Which are more closely related to complex organisms, bacteria or archaea?

Archaea

Archaeal cells were as simple as bacterium cells. However, research indicates that these simple cells were closer to complex organism known as eukaryotes. This is on the basis of cladistic analysis.Unlike bacteria, archaeal can survive in the harshest of environments.

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

where is the scientific experiment?