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