Simiiformes range from little pygmy marmosets to huge lowland gorillas. Although not each and every simiiform is actually a monkey. A subset of huge simiiformes that lack tails and originate from Africa or Southeast Asia are referred to as apes instead of monkeys. All primates evolved for life in treetop https://elliottlokct.blogminds.com/the-best-side-of-monkey-33962661