Question

what is speciation? divergence of two or more species from an existing one; timing of mating that prevents normal sexual selection; isolation that affects mating behaviors; combining of tow species to form one with different traits

Explanation:

Speciation refers to the evolutionary process where new distinct species arise from a single ancestral species through genetic divergence and reproductive isolation. The correct option directly matches this definition.

Answer:

divergence of two or more species from an existing one