Chapter 26.2, Problem 2R

Summary Introduction

To review:

The reason for the eukaryotic fossil record becoming more extensive in the Cambrian period.

Introduction:

Fossils are the imprints or remains of the organisms from earlier geological periods that are preserved in sedimentary rocks. Records of the fossils are maintained by the paleontologists for future references. The fossil records are generally the history of life as documented by fossils. It provides the direct evidence of evolution and plays various other important roles including fossil’s age, abundance, etc.