Question

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

Answer 1

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 :)

Answer 2

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.