hominids

This is my homework and it is due tomorrow and i have to fill out a Venn diagram. I have to compare and contrast. Please help mee!!! And if you can give me something they have in common, it would be great!

I'm guessing one of them is communication skills, but I don't know what else. Any ideas? Thanks. :)

It is possible that a much earlier than previously known date for the use of flaked stone tools has been established in Ethiopia, dating to prior to 3.39 million years ago. Read the rest of this post... | Read the comments on this post... More...