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For questions about the physical structure of an organism.
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 …
0
votes
Secondarily Plantigrade Limbs
Yes.
In the same way nature evolves some physical characteristic in an species, it can "involute" (retrieve the characteristic) and change to a previous state. For example, the blind fish that live i …
10
votes
Given immortality can animals become intelligent?
Your intelligent geko needs to reproduce
Intelligence is obtained in a species with mutations through evolution, not by making one single individual live longer (some turtles can live up to 200 yea …
1
vote
What would be the physique of a damage immune teenager?
Psichological issues
I don’t want to repeat the very interesting physical arguments already stated. So I will better go to his mind: He knows he is “physically invulnerable”, but he can be poisoned …
0
votes
How get functional arthropod-like legs for carry great weights?
Actually... Chitin can do the trick.
"Traditional" chitin (the chitin currently present in the spiders we are familiar with) may not be able to carry that weigth if you just scale up the animal (I won …