what is the geologic time scale and how does it relate to the fossil record?

The geological time scale (gts) is a system of chronological measurements that relates stratigraphy to time and is used by geologist, paleontologists, and other earth scientists to describe the timing and relationships between events that have occurred throughout earth's history
( stratigraphy is the branch of geology concerned with the order and relative position of strata * a series of layers of rock in the ground * and there relation ship to the geological time scale)

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What do you mean about innate behavior i don’t get it