The major terrestrials ecosystems are often referred to as?

The major terrestrial ecosystems on Earth are often referred to as biomes. A biome is a large, distinctive complex of plant communities and animal species that occupy a particular type of environment. Some examples of biomes include forests, grasslands, deserts, and tundra. Each biome has its own unique set of environmental conditions, such as temperature, precipitation, and soil type, that determine the types of plants and animals that can live there. In simple terms, the major terrestrial ecosystems on Earth are called biomes and are characterized by the distinctive plant and animal communities that live in specific types of environments.