Mar 17, 2026 · What is the biosphere? The biosphere is the thin life-supporting stratum of Earth’s surface, extending from a few kilometres into the atmosphere to the deep-sea vents of the ocean. It …

By the most general biophysiological definition, the biosphere is the global ecological system integrating all living beings and their relationships, including their interaction with the elements of the …

From the Greek bios, "life," and sphaira, "sphere," biosphere came into English use in the 19th century. It means the life that occurs within a certain sphere or region around a planet.

Mar 6, 2023 · The biosphere is where living organisms are found on, above, and below the Earth’s surface. It is thus one large ecosystem characterized by biotic (living things), abiotic (non-living) …

Aug 19, 2025 · The biosphere is made up of the parts of Earth where life exists. The biosphere extends from the deepest root systems of trees, to the dark environment of ocean trenches, to the …

The biosphere recycles its air, water, organisms, and minerals constantly to maintain an amazingly balanced state; human beings should probably do their best to imitate it.

The biosphere includes all life on our planet. Scientists study how biological processes, like photosynthesis, affect other parts of the Earth system. Humans are only a small fraction of Earth's …

BIOSPHERE definition: 1. a part of a planet's environment where life exists: 2. the part of the earth's environment…. Learn more.

The biosphere is a global ecosystem made up of living organisms (biota) and the nonliving (abiotic) factors that provide them with energy and nutrients. The biosphere is a narrow zone on the surface …

Definition of biosphere noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.