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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 …
Carlos Zamora's user avatar
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 …
Carlos Zamora's user avatar
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 …
Carlos Zamora's user avatar
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 …
Carlos Zamora's user avatar
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 …
Carlos Zamora's user avatar