One of the most spectacular is surely that which produced terrestrial creatures bearing limbs, fingers and toes from water-bound fish with fins.
One of the most spectacular is surely that which produced terrestrial creatures bearing limbs, fingers and toes from water-bound fish with fins.
最壮观的变化之一，当然是从只能生活在水里、身上带鳍的鱼类，演变出具有四肢、指与趾的陆生生物。