a : a means of transform in a specific route : unfolding b : the action or an occasion of forming and supplying a thing off : emission c(one) : a means of steady change from the reduced, easier, or worse to an increased, additional intricate, or greater state : progress (2) : a process of gradual and comparatively peaceful social, political, and ec

Darwin accepted the details of adaptation—palms are for greedy, eyes for observing, lungs for breathing. But he confirmed which the multiplicity of vegetation and animals, with their exquisite and different adaptations, might be defined by a means of pure variety, without having recourse to some Creator or any designer agent.The implication that