Beauty of some historical monuments is greatly affected by the growth of certain living organisms. These living organisms belong to which one of the following groups?
A. Amphibious plants
B. Lichens
C. Bacteria
D. Viruses
Answer:B
Beauty of some historical monuments is greatly affected by the growth of certain living organisms. These living organisms belong to which one of the following groups?
A. Amphibious plants B. Lichens C. Bacteria D. Viruses