Are yams and sweet potatoes the same?
convergence con·ver·gence (kən-vûr'jəns)
The process of coming together or the state of having come together toward a common point.
Such a gathering at a single preganglionic motor neuron of several postganglionic motor neurons.
The coordinated turning of the eyes inward to focus on an object at close range.
The adaptive evolution of superficially similar structures, such as the wings of birds and insects, in unrelated species subjected to similar environments. Also called convergent evolution.
The movement of cells from the periphery of the embryo toward the midline during gastrulation.