**Mitchell B. Cruzan *is Professor of Biology at Portland State University. He received his BA and MA in Biology from California State University, Fullerton, and his PhD from Stony Brook University. He is currently an associate editor for Molecular Ecology,a leading journal in the field. He has prev...

**Mitchell B. Cruzan *is Professor of Biology at Portland State University. He received his BA and MA in Biology from California State University, Fullerton, and his PhD from Stony Brook University. He is currently an associate editor for Molecular Ecology,a leading journal in the field. He has previously published an advanced textbook, Evolutionary Biology: A Plant Perspective * (OUP, 2018).