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Results tagged with evolution
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user 51644
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].
1
vote
How long would it take for two (or more) groups of geographically isolated human beings to l...
You can manipulate your mutation rate.
If two isolated human groups mantain the same selective pressures and the same environment and the same ecosistem, you will have to wait a lot (maybe thousands o …
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3
votes
Are reproductive and excretory systems inherently linked? Could life evolve differently?
Octopuses: Penis in a hand
You should take a look at the reproductive system of the octopuses. The male has the reproductive conduct inside (along) one of his tentacles (called hectocotylus), which …
- 4,158
2
votes
Reptilian beauty standards
Humans have learned to find "attractive" other things beyond the natural way of organic evolution. The same could your reptilians do. …
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2
votes
Hand mouths evolution
Try three animals instead of one
There are many examples here on Earth where two (or more) animals live in a very close organic relationship (commensalism, parasitism, symbiosis, mutualism). Your "ent …
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-1
votes
How To Tell a Turtle Sans Shell
The turtles will evolve to fit all other niches
And eventually, they will stop being turtles.
I´m going to mention here the book "After Man, A Zoology of the future" (Dougal Dixon, 1981).
Among al …
- 4,158
7
votes
Accepted
How Would Freshwater Reefbuilders Differ from Saltwater Reefbuilders?
Each one may adapt in a different way
Let´s start with sponges:
They may not have any problem at all. In fact, there are sponges that live happily on freshwater rivers: the family Spongillidae:
https: …
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