<span>Cro-magnons and Neanderthals were both humans but were different species of humans. Modern humans are descended from Cro-magnons but Neanderthals became extinct. Both existed during the same period of history. It is not known whether or not Cro-Magnons and Neanderthals interbred but it is a theory that Neanderthals became extinct from interbreeding with Cro-magnons and become "absorbed" by Cro-Magnons although I don't believe there is any genetic evidence to support this theory. Cro-Magnons resembled modern humans. Neanderthals had more sloped foreheads and larger ribcages and were stronger than Cro-Magnon. Cro-magnon had better tools, making the better hunters</span>
Theodore Roosevelt is often considered the "conservationist president." Here in the North Dakota Badlands, where many of his personal concerns first gave rise to his later environmental efforts, Roosevelt is remembered with a national park that bears his name and honors the memory of this great conservationist.