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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].

4 votes

How can lower gravity affect evolution?

The gravity itself would not cause evolution, however, mutations would occur in genes, e.g. more surface area of lungs. Natural selection could allow different lungs to become predominant. … This is probably the type of genotypical evolution you're looking for. Purely based on the information given, not much can be determined. …
Lutro's user avatar
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3 votes
4 answers
449 views

What adaptations would an alien have to chew food in a humanoid manner without a tongue?

This is due to the evolution from a common ancestor. Tongues are not necessary for communication, be it auditory or otherwise. …
Lutro's user avatar
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20 votes
4 answers
1k views

Physiological adaptation of life on a planet orbiting a red giant.

Let's say there exists an Earth-like exoplanet which orbits a normal star, with a similar process regarding the evolution of life on earth, yet the star became a red giant during said evolution. …
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6 votes

Biological ''Helmet''

Some scarabs have transparent elytra, if you're looking for an actual retractable mask-like structure then this might be more suitable than nictitating membranes over individual eyes. This seems to fi …
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