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I have a degree in Internet oddities if that counts. I know bottle gardens are a thing, where you have a sustaining ecosystem of plants inside a bottle. Could you make them small spheres instead? Maybe?

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IAMgROOT@lemmy.wtf ⁨2⁩ ⁨months⁩ ago
thats when you have an entire ecosystem, not just a singular microbe species

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IAMgROOT@lemmy.wtf ⁨2⁩ ⁨months⁩ ago
these glass spheres are sealed tho

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- MimicJar@lemmy.world ⁨2⁩ ⁨months⁩ ago
  A bottle garden can also be sealed.
  
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  - IAMgROOT@lemmy.wtf ⁨2⁩ ⁨months⁩ ago
    this is way too small and undiverse to be an ecosystem, and a bottle garden only works because the springtails or other small animals inside produce co2, which is turned into oxygen by the plants or algae inside, and the cycle repeats over and over
    
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