Biosphere like a balanced aquarium is

Biosphere like a balanced aquarium is partly open and partly closed system.
The biosphere also known as the ecosphere is the worldwide sum of all ecosystems. It can also be termed the zone of life on Earth.
The biosphere is virtually a closed system of matter, with minimal inputs and outputs. It is an open system, with photosynthesis capturing solar energy at a rate of around 130 terawatts per year in terms of energy.