![]() There exist (or existed) marsupials that are virtually indistinguishable from rabbits, mice, moles, badgers, squirrels, wolves, sabertooth tigers, and other species - except for their radically different reproductive system. Evolutionists assert that since bats, birds, and pterosaurs do share a common ancestor, but that ancestor did not have wings, then each line developed the structures independently - a hypothetical process known as convergent evolution.Īnother extraordinary example of analogous structures are the parallels between placental and marsupial mammals.Creationists assert that since bats, birds, and pterosaurs do not share a common ancestor, their wings must have been created separately for each of them.An example of an analogous structure, agreed on by both creationists and evolutionists, is the wing. ![]() This is in contrast to a homologous structure, which evolutionists claim is the result of descent from a common ancestor with that feature, such as the pentadactyl terminus of the forearm in vertebrates. Analogous structures are structures in organisms that are similar in appearance, structure, and/or function but did not originate in a common ancestor. ![]()
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