troposphere
The earth's biosphere can support perhaps 5 or 10 million human beings.
A biosphere could have arisen on Earth 400 million years earlier than was previously thought.
Are there other biospheres and other intelligent communities in the Milky Way?
It is highly unlikely that we could ever make the biosphere unacceptable to all organisms.
But such limitations seem not to hinder the biosphere.

SMART Vocabulary: related words and phrases

The Earth & outer space - general words
ablate
anti-gravity
atmosphere
atmospherically
auroral
geo-
geocentric
horizon
hydrosphere
infinite
ionospheric
lithosphere
lithospheric
macrocosm
mesosphere
mesospheric
the Big Bang
underground
weightlessness
zero gravity

biosphere | American Dictionary

biosphere
noun[ U ]
us/ˈbɑɪ·əˌsfɪər/
biology
the part of the Earth's environment where life exists

Examples of biosphere

biosphere
If the biosphere emits less methane when cooler, the feedback would be stabilizing.
Biological mediation in ocean crust alteration: how deep is the deep biosphere?
The key question addressed is management of the global commons, in particular the biosphere and the diversity of life it contains.
The use of plant functional type classifications to model global land cover and simulate the interactions between the terrestrial biosphere and the atmosphere.
Just as global-scale changes in oxygen were critical for the early biosphere, so too were global processes involving nitrogen.
As such, it provides a strong conceptual basis for illustrating the linkages between atmosphere, lithosphere, hydrosphere and biosphere.
In this regard, parasites constitute exquisite phylogenetic and historical ecological indicators that reveal substantial insights into the history of the marine biosphere.
Further we compare and discuss magnetic reversal time scales with biodiversity and the outbreak of super volcanoes, which affected the biosphere.
This has led to a new view of the diversity of the biosphere and of the environmental boundaries for life.
For instance, it reflects, better than any other parameter, the breadth of their ecological niche, and thus their exact position and role in the biosphere.
Large-scale diffuse hydrothermal circulation thus has to be taken into account when estimating the global potential of the seafloor to support a hydrogen-driven deep biosphere.
The members investigate subjects such as the deep biosphere, extremophiles, prebiotic chemistry and origins of life, planet and star formation in connection with astrochemistry.
Molecular hydrogen, as the most reduced component in the system, forms a basal component to a deep dark biosphere powered by metastable redox gradients.
As a result, the entire biosphere is being altered in a process generally known as 'global change'.
Even though many exotic systems appear to be no more likely in extraterrestrial biospheres, by no means is all lost.
See all examples of biosphere
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