Viruses fall into which domain? Select one: a. Domain Eukarya b. Domain Bacteria c. None of these domains. d. Domain Archaea

While traditionally we categorize life into three domains: Eukarya, Bacteria, and Archaea, viruses don't exactly fit into any of these categories. Instead, they're often classified as biological entities or infectious agents because they lack the cellular structure and metabolic processes that define the three domains of life! Interestingly, the debate continues on whether viruses should be considered living or non-living, as they can only reproduce inside a host cell. This quirky characteristic leaves them stranded in a unique place in the biological world—like a mysterious ghost floating outside our regular classification schemes!