What is a biome and how many different biomes are there in the world?
:What is a biome and how many different biomes are there in the world? A biome is a major regional or global biotic community, such as a grassland or desert, characterized chiefly by the dominant forms of plant life and the prevailing climate. There are six different biomes in the world. Freshwater Marine Tropical Forest Temperate Forest Boreal Forest (Taiga) Desert Tropical Grassland (Savanna) Temperate Grassland Tundra Freshwater Biomes :Freshwater Biomes Freshwater has a low salt concentration ( usually less than 1%). The plants and animals that live in freshwater biomes are adjusted to the lack of salt content and would not be able to survive in areas with high salt concentration. There are many different types of freshwater biomes including ponds, lakes, streams, rivers, and wetlands. Marine Biomes :Marine Biomes Marine biomes cover about ¾ of the earth’s surface. Marine algae supply a large amount of the world’s oxygen supply and they take in a massive amount of atmospheric carbo
