Well, the major groups of arthropods are crustaceans, arachnids, centipedes, and millipedes.
Two different arthropods might be the honey bee (for example, Apis nigrocincta) and the American lobster (Homarus americanus).
spiders and scorpions
2
butter
Classified and unclassified
butter
butter
public and private
warrant and warrantless searches
bushfire and floods
Literature is divided into Prose and Poetry.
physicians and technologists
verbal and performance.
The broad categories of aquatic biomass are primary producers and secondary producers.
Generally they fall into two broad categories: hardware and software.