The best replacement for biosphere is ecosystem.

The best alternatives to biosphere are rated as following:

★★★★★	ecosystem
★★★	ecosphere
★	lithosphere
★	biodome montreal
★	troposphere
★	biome
★	ecosystem bigger
★	geosphere
	atmosphere

Your alternative for biosphere is not listed? Suggest!

Speaking about biosphere, one probably shouldn't forget about movement of matter through the biosphere.

Other search terms related to biosphere and their ratings are:

★★★★★	movement of matter through the biosphere
★★	hydrosphere

You have in mind a companion for biosphere and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of biosphere in all years. Click on graph for more.

biosphere

ecosystem

ecosphere