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