Biosphere 2 failed to sustain human life for 2 years without adding oxygen. Howe

Question

Biosphere 2 failed to sustain human life for 2 years without adding oxygen. However, simple systems like Eco-sphere prove that shrimp can sustain life for greater than 10 years.

a.) Could an elephant survive in Biosphere 2 for 10 years? Explain your reasoning considering life span, and carbon, water, and energy needs.

b.) Could mouse survive in Biosphere 2 for 10 years? Explain your reasoning considering life span, and carbon, water, and energy needs.

c.) How could you prevent oxygen levels from falling in a new version of Biosphere 2?

d.) Please describe a space station that could support human life for 2 years? What are the different components? Explain your reasoning. Be as specific as possible regarding the carbon, water, and energy cycles.

Explanation / Answer

Part-a.) Could an elephant survive in Biosphere 2 for 10 years? Explain your reasoning considering life span, and carbon, water, and energy needs.

No, elephant cannot survive for 10 years on biosphere 2 because the elephant is an herbivore and its total body mass with carbon, water is higher due to higher multicellular metabolic activity result in higher energy needs. But, the total gross primary productivity (GPP) net primary productivity (NPP) of plant mass on the given biosphere 2 is lower compared to the elephant requirement for its cell needs due to higher human constructions and lower number of herbaceous species.

Part-b.) Could mouse survive in Biosphere 2 for 10 years? Explain your reasoning considering life span, and carbon, water, and energy needs.

Yes, rat can survive for 10 years on biosphere 2 because the elephant is an herbivore & and a carnivore and its total body mass with carbon, water is medium to low due to normal multicellular metabolic activity result in lower energy needs. The total gross primary productivity (GPP) net primary productivity (NPP) of plant mass on the given biosphere 2 is adequate the energy & metabolic needs rat cells due to presence adequate number of herbaceous species.

Part-c.) How could you prevent oxygen levels from falling in a new version of Biosphere 2

The atmospheric oxygen levels of can be raised by plantation and reducing human activity and reducing constructing more multi-storey building by destroying natural habitat. Natural forestation around the construction in the given new version biosphere 2 improves more plant growth result in higher photosynthesis rate to deliver higher "oxygen levels"

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