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by save_ferris
2253 days ago
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Seems like a real stretch to compare a 5 gallon tank with one fish and one plant to an entire planet with diverse plant and animal life, biomes, geography, etc. Sure, there’s a finite number of species that exist, but scientists discover new species fairly regularly. You never know if you’ll walk over the next hill and discover a new bird species. Try doing that in a small tank with one other multicellular organism. |
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