Is It Possible For Evolution To Reverse?

Описание: Evolution changes lifeforms so they acquire more desirable traits, but does this slow process ever reverse?

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The Wrists of Birds Reveal Evolution Undoing Itself
http://www.smithsonianmag.com/science...
“Contrary to earlier claims, a new study shows that evolution may be reversible.”

New Developmental Evidence Clarifies the Evolution of Wrist Bones in the Dinosaur–Bird Transition
http://journals.plos.org/plosbiology/...
“From early dinosaurs with as many as nine wrist bones, modern birds evolved to develop only four ossifications.”

RE-EVOLUTION OF LOST MANDIBULAR TEETH IN FROGS AFTER MORE THAN 200 MILLION YEARS, AND RE-EVALUATING DOLLO'S LAW
http://onlinelibrary.wiley.com/doi/10...
“Dollo's law states that structures that are evolutionarily lost will not be regained. Recent phylogenetic studies have revealed several potential examples in which Dollo's law seems to be violated, where lost structures appear to have been regained over evolutionary time.”

Dollo’s law
http://www.britannica.com/EBchecked/t...
“Dollo’s law, biological principle, formulated about 1890 by Louis Dollo, a French-born Belgian paleontologist, that evolution is not reversible; i.e., structures or functions discarded during the course of evolution do not reappear in a given line of organisms.”
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