Task: Class Definition Understanding (ontology: Earth_Environment/EnvironmentOntology)

Which of the following definitions best describes 'anthropogenic environment'?

A. An ecosystem which is surrounded by natural, macro- to megascale geographic barriers to species migration, and thus which comprises ecological communities with evolutionary histories largely delimited by those barriers.
B. An the concept is an environmental system which is the product of human activity.
C. An environment which is subject to subpolar environmental conditions.
D. An environment which is subject to polar environmental conditions.

Answer: An the concept is an environmental system which is the product of human activity.