Within Biosphere 2 are several different biomes - a rainforest, a million gallon salt water ocean, a coastal fog desert, and four other wilderness ecosystems - which researchers use to experiment on earth systems on a relatively large scale.
(Within Biosphere 2; are; several different biomes) (four other wilderness ecosystems; use; to experiment on earth systems on a relatively large scale) Context(four other wilderness ecosystems use,List([125, 181))):(researchers; to experiment; on earth systems)
four other wilderness ecosystems use,List([125, 181))
Within Biosphere 2 four other wilderness ecosystems researchers
are use to experiment
several different biomes
to experiment on earth systems on a relatively large scale
on earth systems