Answer:
The two major groups of living primates are Strepsirrhines and Haplorrhines. These classifications are based on certain anatomical and genetic characteristics that distinguish primates into these two groups. Strepsirrhines include lemurs and lorises, while Haplorrhines encompass monkeys and apes, including humans. The distinction between Strepsirrhines and Haplorrhines helps in understanding the evolutionary relationships and shared characteristics among different primate species.