Includes updates and/or revisions. Stacey Falk is a high school biology teacher who revels in covering the theory of evolution in class. She is also a Roman Catholic who attends church every week. To ...

Evolutionary biology explores how living systems change over time through variation, inheritance and differential success. At its heart lies the concept of descent with modification: populations ...

Evolutionary ecology encompasses the study of how evolutionary processes―such as natural selection, mutation, and genetic drift―interact with ecological dynamics to shape the diversity, distribution, ...

Gastrointestinal (GI) cancers represent a complex interplay of genetic mutations, epigenetic alterations, and environmental factors. The initiation and progression of these cancers are influenced by ...