Rana graeca (Balkan Stream Frog) is a species of amphibians in the family true frogs. They are associated with freshwater habitat. They are found in the palearctic. Individuals can grow to 75 mm.
Definition: The largest scale biogeographic division of the earth's surface based on the historic and evolutionary distribution patterns of plants and animals.
Definition: A mixed forest biome is a forest biome which contains densely packed populations or communities of broadleaf and coniferous trees, strongly limiting light penetration to the forest floor.