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For questions about living things. Does not exclude aliens, but additional information is usually necessary (consider using "xenobiology" instead).

7 votes
Accepted

Could life survive on a diet of dust?

The house dust mite already does that. Dust mites feed on organic detritus such as flakes of shed human skin and flourish in the stable environment of dwellings.
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1 vote

What environment would make leaves light blue?

The primary reason as to why plants are green is because it strikes a balance between not having enough energy to photosynthesis and denaturing its own enzymes by having too much heat. For there to be …
14 votes
7 answers
951 views

An enviroment where a bird-like creature can survive on passive feeding

The question about a diet of dust brought up a few creatures that survive on dust, however they were all insect-sized or smaller. This got me thinking about the Blue Whale, which survives on a diet of …
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