The process of this split is called binary fission.. Some unicellular organisms don't use fission, but rather budding. The difference is that budding produces a smaller cell rather than one that is equal in size. Unicellular organisms that reproduce are called a mother cell and the smaller one is called the daughter.
The term Hispanic is derived from the Latin word for Spain, while Latino is derived from Spanish word for Latin but which as an English word is probably a shortening of the Spanish word latinoamericano, which in English means Latin American..
For us, a black american is an american, exactly as a white one. A person with american native look, is southamerican/latino if he speaks with any of the many south american accents, or spanish if he speaks with one of the many spanish accent. Same happens with white people. A black with perfect spanish accent is spanish. A unusually darker one, or whatever, but spanish.