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1The regions of the surface and atmosphere of the earth or another planet occupied by living organisms.
- ‘The idea of bringing physical samples of Mars back to Earth has raised serious concerns about the possibility of contaminating the Earth's biosphere with an unknown Martian organism.’
- ‘As a science, ecology describes the interrelationships between organisms and environments - that is, the experience of living together in the biosphere.’
- ‘Another major biological feature often considered as organized hierarchically is the pattern of distribution and association of organisms in the biosphere.’
- ‘However, forest fires are well-known, important mechanisms for exchanging elements between the biosphere and the atmosphere.’
- ‘He looked at this problem of living processes in the biosphere from that standpoint.’
- ‘He touches on the lives of many scientists, some famous and some forgotten, who have studied the earth and the biospheres of Indonesia.’
- ‘The system of universes could be even more intricate and complex than the biosphere of our planet.’
- ‘The totality of living organisms is the biosphere, although this term is also used to denote the environment inhabited by living organisms.’
- ‘The storage of sulfur in the various compartments of Earth and its biosphere, and the many transfers occurring among them, is referred to as the sulfur cycle.’
- ‘If we catch it, the potential to expand the biosphere beyond Earth to the rim of the solar system and beyond can be realized.’
- ‘In certain areas, mankind is presently consuming these mineral resources more rapidly than they are being transmitted from the interior of the planet to the biosphere.’
- ‘Even most of earth is lifeless once you get past the thin film of the biosphere on the surface.’
- ‘Of course, it was snuffed out because Mars is tectonically dead, so the recycling of chemicals that you get on Earth which keeps things going and supplies the surface biosphere would have actually ceased on Mars a lot earlier.’
- ‘The second reason is that it's the mixing place between the biosphere and the atmosphere.’
- ‘This is a long, long way from saying that this galaxy is full of planets with biospheres even remotely comparable to ours.’
- ‘Human activities have dramatically altered the Earth's biosphere and atmosphere during the past few hundred years.’
- ‘And therefore, humanity, which comes into the picture with cognition, depends upon this living part of the planet, the so-called biosphere.’
- ‘So man is now changing the planet, for the better, just as living processes improved the planet, so man by acting on the biosphere improves the planet.’
- ‘He demonstrated, for example, that the atmosphere, the oceans, and most of the area on which we live on the surface of the Earth, is a biosphere.’
- ‘Oxygen is one of several vital elements that are constantly consumed and recycled by processes involving the biosphere, the Earth's rocks and volcanoes, and the oceans.’
2An artificial structure enclosing a self-contained ecosystem or ecosystems.‘the elliptical domed biosphere is the largest single-span glasshouse in the world’
- ‘The second were generation ships, which had self-contained biospheres where the crew was not in stasis pods, but alive.’
- ‘A space station is a biosphere that provides basic human needs (ie, oxygen, food, water) to sustain life.’
- ‘An artificial biosphere should have different zones that represent different parts of an ecosystem.’
- ‘Examples of places where a biosphere might be built include the moon, other moons of the solar system, and planets such as Mars.’
- ‘Machines would be used only to sterilize and purify water that has already been cycled through the artificial biosphere.’
- ‘In Arizona, scientists built an artificial biosphere, called Biosphere 2.’
- ‘Living outside the biosphere are mostly transmigrants and the indigenous people that capitalists from the city often hire to fell trees in the forest.’
- ‘And we haven't even been able to set up workable biospheres on Earth, let alone in space.’
- ‘Moreover, a successful biosphere would prove to be an important step in the direction of space colonization, terraforming and remedial ecology.’
- ‘But biosphere is also the name of a man-made and sealed environment, which simulates the earth's biosphere.’
- ‘Conventional futurist wisdom suggests that if our atmosphere should completely go to pot which it certainly appears to be doing humans could still eek out an existence living in self-sustaining biospheres.’
- ‘These brave soldiers will be maintained in self-contained biospheres, like giant lizards from another star, which given the moral status of their behavior, they might as well be.’
Late 19th century: coined in German from Greek bios life + sphaira (see sphere).
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