Are archeabacteria heterotroph

Answer 1

Yes many archea are heterotrophs certainly chemoorganoheterotrophs which use organic carbon as carbon source, energy source and, electron source.

Answer 2

Archaea can be either heterotrophic or autotrophic. Some archaea are capable of obtaining carbon and energy by consuming organic compounds from their environment, making them heterotrophic. Others can produce their own organic compounds from inorganic sources, making them autotrophic.