<u><em>SOS:</em></u> Approximately one-half the income in Central America comes from its exports. Half of this trade is with the U.S. and Canada; other trading partners include Europe, Mexico, and South America. The Panama Canal is very important for trade within the region.
The fundamental niche is the entire set of conditions where the species can survive and reproduce. For a full range of conditions to occur the fundamental niche and however results in an inter species competition. It is also described as place were the organism feels free of interference.
