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Convergence: evidence for a single Creator
Rana, FR. 2000.  Facts for Faith (4):14-20. CELD ID 5796

Closely related to the phenomenon of repeatable evolution is convergence. Convergence refers to the widespread tendency in nature of unrelated organisms to possess nearly identical anatomical and physiological characteristics. The wings of birds and bats are textbook examples of convergence. Birds and bats are unrelated organisms, with birds belonging to the class Aves and bats to the class Mammalia. Though superficially similar, the wing structures of birds and bats are fundamentally different. Another common example of convergence - one in which the fundamental structural differences are not so obvious - is the remarkable anatomical similarity shared by the modern placental wolf and the extinct Tasmanian wolf.