How has the discovery of the toumai skull affected what some scientists think about hominids and human delvelopment

Because Toumai's skull looks different from other hominid skulls, some scientists think Toumai represents a whole new species.

Toumai's humanlike face and chimp-sized brain suggest that the development of hominids was not so simple.

Scientists aren't sure where exactly Toumai belongs on our family tree. Toumai could be like a great-great-grandfather - or just a distant cousin. Toumai could also be one of many types of hominids who roamed Earth millions of years ago.

gold discovery in california, and pioneer settlers were sometimes pulled west because they wanted to make a better living. others received letters from friends or family members who had moved west. these letters often told about a good life on the frontier. the biggest factor that pulled pioneers west was the opportunity to buy land.

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