Question

define biosphere
marks,2.6​

Answer 1

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Answer 2

the regions of the surface and atmosphere of the earth or another planet occupied by living organisms.

an artificial structure enclosing a self-contained ecosystem or ecosystems.

The biosphere is made up of the parts of Earth where life exists—all ecosystems. The biosphere extends from the deepest root systems of trees, to the dark environments of ocean trenches, to lush rain forests, high mountaintops, and transition zones like this one, where ocean and terrestrial ecosystems meet