Explore Milwaukee County (Click on picture) Milwaukee County, created in 1834 as a territorial county, is derived from a Native American word Mahnawaukee-Seepe meaning gathering place by the river.. Located in southeast Wisconsin, the county seat is Milwaukee.
The Cretaceous-Tertiary extinction event, or the K-T event, is the name given to the die-off of the dinosaurs and other species that took place some 65.5 million years ago. For many years, paleontologists believed this event was caused by climate and geological changes that interrupted the dinosaursâ food supply.
Some species of animals, such as the dino â¦ saurs, are still being argued over by scientists on how the became extinct. But, a few years ago, An animal that was thought to be extinct was caught off of a Japanese ocean! It as the goblin shark.It was supposed to have died out millions of years ago, but its alive.ome prehistoric species that have become extinct due to human actions are the Dodo, they all lived on one island, and humans used them for lamp oil and new animals like dogs and cats were introduced. We're not sure if the mammoth died because of humans.