Formation and Mode of Preservation of Fossils

Formation and Mode of Preservation of Fossils

Formation of Fossil: A fossil is the preserved remains or terraces of a dead organism. Fossils can be formed in several ways. Four different ways by which fossils can form are explained below: Permineralization occurs when dissolved minerals carried by groundwater...
Types of Evolution

Types of Evolution

Types of evolution shape how species change over time. Divergent evolution splits one species into two, convergent evolution causes unrelated species to develop similar traits, and parallel evolution leads separate species in the same environment to evolve alike....
Method of grain size

Method of grain size

Grain size classifies sedimentary particles from coarse gravel to fine clay using scales like Udden’s and Atterberg’s. Analysis methods include direct measurement, sieving, microscopy, and settling tubes, based on particle size. Understanding grain size helps in...