On the backs of fish and many whales, which cuts through the waters surface . The beluga doesnt have one. This whale lives far to the north where its very cold and where, more often than not, this hardy white whale finds itself swimming under arctic ice sheets. Quite frankly, a dorsal fin would get in the way or worse, scraped up, or off. So no dorsal fin. But that doesnt mean that only this individual beluga whale doesnt have one and that this other beluga whale does. No, all beluga whales have adapted to have no dorsal fin. This is not something that they decided as individuals no matter how intelligent they might be. But its something that nature decided for them, in a manner of speaking. Physical adaptations during an animals life span but over many generations, and these changes to an animals body almost always result as a response to one of three things one, factors in the animals habitat, which is where it lives. These factors include adapting to the climate as in the case of ou
This year Wupatki National Monument marks its centennial. Wupatki’s history — how it came under the umbrella of the national park system — is worth retelling, a reminder of what
From the Rocky Mountains to the West Coast and on up to Alaska, there are thousands of historic structures and archaeological sites within the National Park System. They range from homesteader cabins to prehistoric cave dwellings. Taking care of these buildings in archaeological sites is a valuable job for the National Park Service.
Electric Arizona: Route 66 by EV travelmole.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from travelmole.com Daily Mail and Mail on Sunday newspapers.
Design milestone heralds more expansive approach to preservation upenn.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from upenn.edu Daily Mail and Mail on Sunday newspapers.