Zoology An (ecological) origin of species for tropical reef fish

Discussion in 'Zoology' started by mscbkc070904, Apr 7, 2005.

  1. mscbkc070904

    mscbkc070904 Premium Member

    I wander about this, due to the fact that if there is a genetic difference of the same species, then why isnt there modifications in the physical nature as well?