What is the classification system in biology, the taxonomy used to categorize organisms in a structured hierarchy? What are species and individuals in biological and evolutionary contexts, and what is the relationship between them? S. Joshua Swamidass is an American computational biologist, physician, academic, and author. He is an associate professor of Laboratory and Genomic Medine, and a Faculty Lead of Translational Bioinformatics in the Institute for Informatics at Washington University in