An artificial biosphere is a structure designed to sustain life in a place which would otherwise not have life
Scientists believe that artificial biospheres on mars could be a way to colonise the planet
The biosphere would have to have: Enough photosynthesising to supply oxygen and food, recycle all waste materials, a method of keeping warm, melting martian ice.
Features of plant cells: Nucleus, cytoplasm, cell membrane, cellulose cell wall, vacuole, chloroplasts (containing chlorophyll)
Features of an animal cell: nucleus, cytoplasm and cell membrane.
Photosynthesis occurs in the chloroplasts.
CO2 + H2O > Light + chlorophyll > Glucose + Oxygen
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