👉 Speciation is a scientific concept that describes how different species of an organism develop, evolve, and eventually become extinct. It involves differences in physical characteristics, genetic material, or other traits between organisms of similar species, often leading to reproductive isolation and extinction. In the context of evolution, speciation can be seen as a key factor in the evolutionary process by which new species arise from existing ones. Speciation occurs when two or more populations diverge geographically (i.e., become separated) due to