The biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere,hydrosphere, and atmosphere.

Why is it important?

Well the biosphere is where every single living thing is, so without it there wouldn't be any life on earth.Also all the different ecosystem in earth are in the biosphere

You are in the biosphere

Living things in the biosphere

All the living things on the planet are in here this sphere interacts with others spheres since they are many animals that are in different sphere like whales,fish that are better especialized in the hydrosphere

Our biosphere

Our biosphere depends on the hydrosphere,atmosphere because life needs water and oxygen in order to survive