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For questions about the long-term change of a specific species, type of creature, or trait, usually through the process of natural selection and reproduction. Ideal questions focus on traits, not entire creatures. Consider also [creature-design].

0 votes

How to see before there's something to see

The trick is to have senses that aren't strictly light/sound based. We already have such a device for sound waves: a laser microphone can "read" the sound waves striking a surface. Even needing to mak …
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4 votes

Can an 'unadvanced' species accidently uplift another species?

See, evolution isn't a straight line, "unintelligent" on one side, "sapient" on the other; chimps are not still evolving into humans because they are fully-evolved chimps that are evolving into the chimps …
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6 votes

Plausible reasons for evolution of humanoids with multiple pairs of eyes

Animals see "visible" light via rods and cones, and humans have 3 different types of cones to see different wavelength ranges (i.e., colors) of light. Tetrachromacy is condition where an animal has fo …
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18 votes

Anatomically correct Arachne

Sorry, but you've once again run into the dreaded square-cube law (it's the LAW). The largest spider is the goliath birdeater, which weighs a spectacular... 6.2 ounces. There are crabs with splayed le …
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12 votes
Accepted

Caste in non-Eusocial animals

If these people were still evolutionarily "useless", one would think evolution would put in a kill switch so they weren't a drain on resources, but that is demonstrably not the case. …
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