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.
Oklahoma became the 46th US State on Saturday, November 16, 1907 under President Theodore Roosevelt. It is the 20th largest, 28th most populated and 36th most densely populated state.Oklahoma became a state November 16, 1907 when Theodore Roosevelt signed the Oklahoma Enabling Act.Part of Oklahoma's land was acquired in the Louisiana Purchase in 1803 and the rest was sought sometime around 1848.Oklahoma became a state on November 16, 1907.Today, the state's population is an estimated 3.851 million.klahoma became the 46th US State on Saturday, November 16, 1907 under President Theodore Roosevelt. It is the 20th largest, 28th most populated and 36th most densely populated state.