Following the asteroid impact 66 million years ago, select marine organisms survived the mass extinction due to specific biological advantages. A recent trait-based numerical model reveals that small body size and high tolerance to darkness were the primary attributes enabling the survival of basal food chain species such as plankton.#EvolutionaryBiology #Paleontology #MarineBiology #Oceanography #sflorghttps://www.sflorg.com/2026/06/ebio06082601.html