👉 In the context of evolutionary biology, preselection refers to the process by which a population selects for traits that are advantageous for survival and reproduction. This is often seen as a mechanism by which species evolve through selection. Preselection occurs when individuals in a population have an advantage over others in terms of their survival chances or reproductive success. For example, if a species has a large population size, it may be more likely to survive and reproduce than smaller populations with fewer members. This is because the larger population
