How are viruses classified in contrast to fungi?

  1. Viruses are classified based on their genetic material and envelope, fungi are classified based on their ability to form spores and growth pattern
  2. Viruses are classified based on their growth pattern within cells, fungi are classified based on their genetic material
  3. Viruses are classified based on their genetic material and envelope, fungi are classified based on carbohydrate antigens in their cell walls
  4. Viruses are classified based on their staining appearance on light microscopy, fungi are classified based on the invasiveness of infection they cause