Colonization occurs whenever any one or more species populate an area. The term, which's derived from the Latin colere, "to inhabit, cultivate, frequent, practice, tend, guard, respect," originally related to humans. However, 19th century biogeographers dominated the term to describe the activities of birds, bacteria, or plant species. Human colonization's a narrower category than the related concept of colonialism, because whereas colonization refers to the establishment of settler colonies,… (More on Colonisation)