Science that studies the interactions between organisms and their physical surroundings.
Combination of plant and animal life and related environmental factors that interact through the exchange of matter and energy.
A transition area between two different biological communities. They are richer in species and varieties than the native areas.
A portion of territory surrounded by a larger territory. Grounds subject to a special hunting regime that are aggregated by the administration to form a single hunting unit for management purposes.
Belonging exclusively to a certain place.
A contagious disease that quickly propagates, attacking a large number of animals in a widespread terrain.