When an animal’s home conditions change, they have four options: move, acclimate, evolve, or die. Dr. Melissa DeBiasse, former postdoc in Dr. Morgan Kelly’s lab in the Department of Biological Sciences at Louisiana State University, shares how genetics can help determine which option they will choose, how she studies copepods and their adaptations, and what she’d tell her younger self now that’s she’s a postdoc in the Ryan Lab at the Whitney Laboratory for Marine Bioscience, University of Florida.