What is a Species?

The video explores the concept of species, starting with visual differences and moving to a more scientific definition based on interbreeding. It discusses gray areas in species classification, such as hybridization and ring species, and highlights unique cases like asexual reproduction in stick insects. The complexity of defining bacterial species is also covered, emphasizing the arbitrary nature of current criteria. The video concludes by noting that the concept of species is a human construct, useful but imperfect.

What new insight or understanding did you gain from this video?