Discoveries in the past two decades have added new branches to the human family tree, including species such as the ... jaws found at different sites in China have led some researchers to believe ...
But it’s never been clear what species the bones belonged to or where they should sit in an increasingly complex human family tree ... which means huge head in Chinese.
CHINA — The story of how humans evolved ... Discoveries in the past two decades have added new branches to the human family tree, including species such as the hobbit-like Homo floresiensis ...
For nature, the more species there are in a place, the more stable the climate and structure will be. It resembles a food chain, with three or four species. If one species collapses, the whole chain ...