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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].

2 votes
2 answers
402 views

Feasibility of a convergent neural code across species?

Is there an infinite range of possibilities for it, or is there more or less only one "system" for representing sensory data through electricity when branching out over the course of evolution and natural …
0 votes
3 answers
345 views

What would cause protein shapes to be the same across unrelated species?

One sort of “rule” I’m working with in my world is that among carbon-based, protein-having species, even those from different planets with no shared evolutionary ancestry, proteins that may be compose …
4 votes
4 answers
1k views

What could lead to an ability to “share instincts” to evolve? [closed]

So there’s a small animal species that live pretty simple lifestyles of eat, don’t be eaten, reproduce, and that’s it. They live in forest/jungle or swampy environments, eat a wide diet of insects or …
17 votes
12 answers
5k views

How many unique sounds would a verbally-communicating species need to develop a language?

If using compositional real-world languages as a model for the verbal language of intelligent species, how many unique sounds (phonemes) would be a rough "minimum" requirement for the effective evolution
6 votes
6 answers
602 views

How could human-like intelligence evolve in a nonsocial, non-carnivorous species? [closed]

It seems like two potential motivations behind human ancestors' evolution of intelligence were their complex social groups and behaviors, and hunting behavior requiring more strategic thinking in carnivorous … How could human-like intelligence evolve in a solitary species, and would their social behaviors change during that process of evolution? …