Scientifically, the term buffalo is incorrect for the North American species; its proper Latin name is Bison bison. However, common usage has made the term buffalo an acceptable synonym for the American bison. (from The American Buffalo in Transition, by J. Albert Rorabacher.).
Life cycle. Life cycle, in biology, the series of changes that the members of a species undergo as they pass from the beginning of a given developmental stage to the inception of that same developmental stage in a subsequent generation.
The Family Life Cycle. 1. Unattached Adult. The main issue occurring in this first stage is accepting parent-offspring separation. Rob Smith has just turned 20. He is in college, which means he is experiencing life on his own for the first time.