Which pathogen lives in living and nonliving surfaces

Archaebacteria.

This is correct because these are best known for living on extreme environments. This can be found in extreme environments and everywhere on earth.

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.