Word
biosphere
Phoneticsbio·sphere
US/ˈbaɪoʊsˌfɪɹ/
UK/bˌaɪəʊsfˈiə/
Definition
n. the part of the Earth where life exists. It includes all the living things and the parts of the planet they need to survive, like air, water, and soil.
n. the global ecological system consisting of all the living organisms and the parts of the Earth where they live. It encompasses the lithosphere, hydrosphere, and atmosphere.
Examples
“The biosphere includes all the plants, animals, and microbes on Earth.”
“Scientists are studying how rising temperatures might affect the biosphere and the delicate balance of life within it.”
“The concept of the biosphere highlights the interconnectedness of all living organisms and their physical environment, suggesting that no species exists in isolation from the global ecosystem.”
Examples
simple
“The biosphere includes all the plants, animals, and microbes on Earth.”
contextual
“Scientists are studying how rising temperatures might affect the biosphere and the delicate balance of life within it.”
complex
“The concept of the biosphere highlights the interconnectedness of all living organisms and their physical environment, suggesting that no species exists in isolation from the global ecosystem.”
Real-World Examples
“The evolution of Earth's biosphere is perhaps one of the most captivating stories we have uncovered from the fossil record.” “On the other side of the island is the Unesco-designated Hara Biosphere Reserve, home to vital habitats for marine life and migratory birds.” Etymology
Borrowed from German Biosphäre, coined by Austrian geologist Eduard Suess in 1875. By surface analysis, bio- + -sphere.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
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englishreference.com/q/biosphere