Respuesta :

Answer:

fossil record

Explanation:

Answer:

The placement of fossils throughout the surface layers refers to as the Fossil Records.  

Explanation:

Fossils are preserved parts of an organisms through moulds or impressions imparting knowledge about the past.  

A fossil record is a collection of different fossils that are examined and then placed in a chronological manner. Fossil records help us by giving  information about various groups of fossils. Thus they also depict the evolution of different species.