Answer:
The whole surface of earth is a series of conneected ecosystem. Ecosystem are often cnnected in a larger biome. Biomes ar large sections of land , sea, or atmosphere.Forests, ponds, reefs, and tundra are all types of biomes,, for example.
They're orgaized very generally, based on the types of plants and animals thatt live in them. Within each forest, each pond, each reef, or eachhsection of tundra, you'll find many different ecosystems.
