Question

why is the arthropoda largest phylum

Answer 1

Arthropoda is the largest phylum because most species of organisms come in this group

Answer 2

Arthropod, any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, and millipedes. About 84 percent of all known species of animals are members of this phylum