A complete fossil of which of the following h | vedclass

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(A) The correct answer is $A$. The earliest known bird in the fossil record is $Archaeopteryx \ lithographica$,which means 'ancient wing'.It dates bac

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Archaeopteryx

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(A) The correct answer is $A$. The earliest known bird in the fossil record is $Archaeopteryx \ lithographica$,which means 'ancient wing'.It dates back to the late Jurassic period,approximately $140$ million years ago.It was discovered in a slate quarry at Langenaltheim,Bavaria (Germany) in $1861$ by Andreas Wagner.$A$ second skeleton was discovered in $1877$ and a third in $1956$ from the same locality,providing a complete fossil record of this transitional form between reptiles and birds.

$A$ complete fossil of which of the following has been found?

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