The key is that both feet are in the air at the same time. By comparison, one foot is always in contact with the ground when you walk. Running is less efficient than walking, as mentioned earlier, precisely because you must propel your body weight through the air. Jogging vs. Running. The movement is similar; running is just faster.
The Basking Shark is one of a few species that lives in temperate latitudes, both north and south of the equator, but not between these two zones in the tropics.
Tiger Shark Habits and Habitat. The tiger shark loves warm waters and is found in most tropical and temperate regions. Other than a ready supply of food, tiger sharks don't have a lot of other requirements for their abode. Tiger sharks are found both on the surface and in depths of up to 1,150 feet (350 meters) [source: Knickle ] and they're found in lots of different waters, including river estuaries and harbors. Most often, though, this shark is found in murky waters in coastal areas.