Definition - What does Biome mean?
A biome describes certain types of complex biological communities. These communities can be sorted into types based on their characteristics and many similar types of biome can be found all over the globe depending on the conditions in the area. Biomes have many different means to classify them into different types, which can result in a different total numbers of biome types.
Safeopedia explains Biome
An example of a certain type of biome would be a tropical rainforest or a cloud forest. Most biomes are classified according to the distinctive plant and animal species that make up their inhabitants and are largely dictated by climate conditions and the nutritional resources available. Biomes are very complex and require balance to maintain their unique traits. To preserve them and avoid a loss of species they need to remain as undisturbed as possible.