The field of ecosystems may concentrate on the inter-dependency of organisms in a localized environment and the relationship between organisms and their surroundings. Ecological studies can range from learning about specific species populations to whole ecosystems and global phenomena.

Master-level studies involve specialized study in a field of research or an area of professional practice. Earning a master’s degree demonstrates a higher level of mastery of the subject.
Earning a master’s degree can take anywhere from a year to three or four years. Before you can graduate, you usually must write and defend a thesis, a long paper that is the culmination of your specialized research.

Online or distance learning refers to the use of electronic media and information and communication technologies (ICT) in education. With online learning, one can access education at any time and from any location with an available internet connection.