Please answer the following question: Determine the topic of the passage. "According to the Recent African Ancestry theory , modern humans evolved in Africa possibly from Homo heidelbergensis , Homo rhodesiensis or Homo antecessor and migrated out of the continent some 50,000 to 100,000 years ago, replacing local populations of Homo erectus, Homo denisova , Homo floresiensis and Homo neanderthalensis." Topic:
A:
Human evolution