The study of human social behavior, especially the study of the origins, organization, institutions, and development of human society. 2. Analysis of a social institution or societal segment as a self-contained entity or in relation to society as a whole.
North Atlantic Right whales (Eubalaena glacialis) are big, but they're not the biggest whales. That distinction goes to the Blue whale (Balaenoptera musculus), the largest animal on Earth. While the Orca, or Killer whale size of up to 31 feet make it the largest dolphin. The Sperm whale on the other hand may not be the biggest whale, but it has the biggest brain to have ever existed on Earth. Below is a comparison chart of whale sizes. To learn more whale facts follow the links below.
Rhinos in danger of worldwide extinction. More than 200 species of mammal are distinguished by possession of hooves, known as ungulates, and are divided into two orders, even-toed and odd-toed ungulates. The smaller order is made up of three families - horses, rhinoceroses and tapirs.