Memory Biome Definition & CharacteristicsVersion en ligne Learn about biomes. par Andrea Lecuona 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. Definition Land-based biomes are called terrestrial biomes. Water-based biomes are called aquatic biomes. Water-based biomes Land-based biomes Temperatures, precipitation amounts and prevalent organisms characterize the biomes of the world. Ecosystems