Le 13/01/2011 13:15, Warp a écrit :
>   The definition of species is that two individuals are of the same species
> if they can create fertile offspring. Behavior is irrelevant.


Ok, so, 2 males are never (?) of the same species, right ?
They cannot create fertile offspring by themselves.

Same for 2 females.

(but science is so great... )

(Just playing around!)







More seriously, does such definition get transitive ?

A & B are from the same specie because they can produce fertile offspring.
B & C are .... too.

Does that means A & C are the same specie automatically ?

What about a long chain : A & B, B & C, C & D, D & E, E & F...
till X & Y;
Are automatically A & Y of the same specie ?

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