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The hippopotamus (Hippopotamus amphibius) (/ ˌ h ɪ p ə ˈ p ɒ t ə m ə s /; pl.: hippopotamuses; often shortened to hippo (pl.: hippos), further qualified as the common hippopotamus, Nile hippopotamus and river hippopotamus, is a large semiaquatic mammal native to sub-Saharan Africa.
Continental landmasses are not usually classified as islands despite being completely surrounded by water. [ Note 1 ] However, because the definition of continent varies between geographers, the Americas are sometimes defined as two separate continents while mainland Australia is sometimes defined as an island as well as a continent.
Size (the number of people involved) is an important characteristic of the groups, organizations, and communities in which social behavior occurs. [1]When only a few persons are interacting, adding just one more individual may make a big difference in how they relate.
The term phylum was coined in 1866 by Ernst Haeckel from the Greek phylon (φῦλον, "race, stock"), related to phyle (φυλή, "tribe, clan"). [4] [5] Haeckel noted that species constantly evolved into new species that seemed to retain few consistent features among themselves and therefore few features that distinguished them as a group ("a self-contained unity"): "perhaps such a real and ...
Most projections for India’s future strength are based on two simple facts – that it has now surpassed China to become the most populous country in the world, and its $3 trillion economy ...
Principal language families of the world (and in some cases geographic groups of families). For greater detail, see Distribution of languages in the world. This is a list of languages by total number of speakers. It is difficult to define what constitutes a language as opposed to a dialect.
Social Security is the U.S. government’s biggest program; as of June 30, 2024, about 67.9 million people, or one in five Americans, collected Social Security benefits.This year, we’re seeing a ...
A pair of Saturday NFL games drew a larger viewing audience than college football for the rollout of the sport's 12-team playoff. The playoff game between SMU and Penn State averaged 6.4 million ...