Most biologists once used a system to classify living things into 5 major groups or kingdoms. What were these groups?
a Animalia, Plantae, Fungi, Protista, Monera
b Mammalia, Aves, Reptilia, Amphibia, Pisces
c Arthropoda, Annelida, Mollusca, Echinodermata, Cnidaria
d Prokaryota, Eukaryota, Archaea, Bacteria, Viruses
