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The fossils of human ancestors show an increase in complexity as we move forward in the geological time scale. What does this complexity indicate?

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Lexie2you
It indicates that the smarter people got over time, the more they learned about ways to maintain and make their bodies and bone structures healthy. 
aleighamorris

Answer: I believe it is that evolution is a slow, gradual, and continuous process.

Explanation: It takes many years for evolution to occur, and it occurs very subtly for a long time. It is a gradual change and is always continuing :)

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