Memory Biome Definition & CharacteristicsVersión en línea Learn about biomes. por Andrea Lecuona Land-based biomes Definition Water-based biomes are called aquatic biomes. A biome is a large area of land that is classified based on the climate, plants and animals that make their homes there. Characteristics Biomes contain many ecosystems within the same area. Temperatures, precipitation amounts and prevalent organisms characterize the biomes of the world. Ecosystems Water-based biomes Land-based biomes are called terrestrial biomes.