biosphere

Biosphere

Biosphere is simply the collection of all the living beings of the earth. In other words, all the ecosystems of the earth could be collectively referred to as the biosphere. The biosphere is composed of biomes; biome is a collection of similar ecosystems, and ecosystem is a collection of different species where they coexist with each other by sharing different ecological niches. Each species is composed of different individuals. Therefore, the basic component of the biosphere is an individual of any species. Some definitions state that it is the sum of all ecosystems and those are distributed in different regions depending on the climate and geography; hence, the biosphere is the Life Zone of the Earth.