0 the fact that something such as an animal or organism can exist in different forms: --
Compounds that exist in more than one crystalline form are said to exhibit polymorphism.
a polymorphism that may have protected ancestral populations from a form of malaria
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.