system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why are there many different species of other animals, but only one species of humans?
gpt
Homosapiens were better at adapting it is believed that we helped drive the other homo species to extinction. Either with pressure to compete for limited resources or cross breeding which has been proven with the Neanderthals. Homo eretus possibly the most successful human species except us was wide spread across the Middle East and Asia but when the Homo sapiens diverged out of Africa quickly in evolutionary terms eretus disappeared.