Tiktaalik is a transitional fossil; it is to tetrapods what Archaeopteryx is to birds, troodonts and dromaeosaurids. 1  While it may be that neither is ancestor to any living animal, they serve as evidence that intermediates between very different types of vertebrates did once exist.
Minnesota became a part of the United States as the Minnesota Territory in 1849, and became the 32nd U.S. state on May 11, 1858.
South Dakota was admitted as either the 39th or the 40th state on 2 November 1889. <br /><br /> President Harrison signed the law that made both North and South Dakota into states. Before he did so, he shuffled the papers on his desk. He covered up the names on the papers.