👉 Polyphylogeny, also known as paraphyleticism or paraphyly, is a biological phenomenon where certain species within a group of organisms are genetically related to each other but have diverged from their common ancestral lineage. This means that there are many different species within the same genus or family, yet they share a common ancestor. Polyphylogeny arises due to sexual selection and genetic drift, which occur during speciation events when two populations compete for resources such as mates. The combination of
