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Posts by PrimarySecondary‭

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Q&A How would an organism live without blood?

Assume Earth biochemistry, a thicker atmosphere (1.7 atm) with 22% oxygen and 0.6g. (not sure if conditions really matter, though) How would a lion-sized, quadruped, land-based, intelligent preda...

7 answers  ·  posted 7y ago by PrimarySecondary‭  ·  last activity 5y ago by PrimarySecondary‭

Question biology
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Q&A How would an ecosystem based around chemotrophs produce oxygen?

Outline A planet which is heated tidally by its Brown Dwarf parent and permanently dark needs to have native alien life which has [somewhat similar biochemistry to Earth] and also be [permanently ...

1 answer  ·  posted 7y ago by PrimarySecondary‭  ·  last activity 7y ago by PrimarySecondary‭