Memory Biome Definition & CharacteristicsVersion en ligne Learn about biomes. par Andrea Lecuona Biomes contain many ecosystems within the same area. Ecosystems Land-based 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. Definition Water-based biomes are called aquatic biomes. Land-based biomes are called terrestrial biomes. Water-based biomes Characteristics