Human evolution is the process by which humans have emerged from apelike ancestors. Through sequences of mutations, genetic drift, migration, and natural selection and technology we are able to observe the amazing amount of similarities and diversity of humans to other living organisms. (tags: Human evolution, Human, Homo erectus, Primate).
The apes and man are close relatives, and are primates: the order of mammals which includes monkeys, apes, lemurs and tarsiers. The great apes live in tropical rainforests. It is thought that human evolution started when a group of apes (now called the australopithecines) began to live more in the savannah.