located offshore, in the arctic and pacific oceans
many human illnesses are caused by infection with either bacteria or viruses. most bacterial diseases can be treated with antibiotics, although antibiotic-resistant strains are starting to emerge. viruses pose a challenge to the body's immune system because they hide inside cells.
in multicellular plants and animals, however, meiosis is restricted to the germ cells, where it is key to sexual reproduction. whereas somatic cells undergo mitosis to proliferate, the germ cells undergo meiosis to produce haploid gametes (the sperm and the egg).
archaea, bacteria, and eukarya
archaea, prokaryote, and euk...