Aqidahoi mukhtalif oidi khususiyathoi muhiti avvalai Zamin ba on ovarda rasonidand, ki bo vujudi yagona budani maqsad tajribahoi taqlidi gunogun budand va natijaho niz gunogun hosil meshudand.
Baze az nazariyahoi muhimi paydoishi sokhtori polimerhoi sayyoraamonro, ki dar ibtidoi hosilshavii biopolimerho (asosi hayot) qaror dorand, dida mebaroem.