Pronunciation: /ˈbaɪoʊˌsfɪr/
noun the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
A1 The biosphere is made up of all living organisms on Earth.
A2 Plants and animals interact within the biosphere to create a balanced ecosystem.
B1 Human activities are causing harm to the biosphere through pollution and deforestation.
B2 Conservation efforts are essential to protect the biodiversity of the biosphere.
C1 Scientists study the biosphere to better understand the interconnectedness of all living things.
C2 The biosphere plays a crucial role in regulating Earth's climate and atmosphere.
formal The biosphere is the sum of all ecosystems on Earth, including the atmosphere, hydrosphere, lithosphere, and all living organisms.
informal The biosphere is like Earth's own little ecosystem bubble.
slang The biosphere is where all the living stuff on Earth hangs out.
figurative The biosphere is like a giant interconnected web of life, where every organism plays a role in the balance of nature.
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