IUBS abụrụla onye otu kemgbe 1925.
The International Union of Biological Sciences (IUBS) tọrọ ntọala na 1919 iji kwalite ọmụmụ sayensị sayensị: ịmalite ikwado na ịhazi nyocha, ikike ịrụ ọrụ na ọrụ sayensị ndị ọzọ na-achọ ka mba ụwa, mmekorita ọnụ; iji hụ na mkparịta ụka na mgbasa ozi nke nsonaazụ nyocha nkwado, karịsịa n'ihe metụtara mmemme sayensị IUBS; iji kwalite nhazi nke ogbako mba ụwa ma nyere aka n'ibipụta akụkọ ha.
Mmemme sayensị nke IUBS bụ nke usoro mmụta dị iche iche; A na-eme ya site na mmekorita ya na ndị ọrụ sayensị nke mba yana nkwado nke òtù mba ụwa ndị ọzọ, ma gọọmentị etiti (UNESCO, UNEP, FAO, EC, wdg) na ndị na-abụghị ndị gọọmentị. Mmemme ndị a na-eleba anya n'okwu dị iche iche na bayoloji integrative, biodiversity, bioethics, biotechnology, bio-indexators, bayoloji agụmakwụkwọ, ndu nomenclature, biosystematics, ịmụ nwa na aquaculture, ndu mgbagwoju anya na ndị ọzọ ubi. IUBS na-ebipụta akwụkwọ akụkọ nkeji iri na ise, Biology International, nke na-ebuga ozi gbasara mmemme na mmemme otu n'ebe ndị IUBS na ụlọ ọrụ na-akwado na ndị mmadụ n'otu n'otu.
Ndị otu IUBS ugbu a nwere ndị otu 44 nkịtị, na-agbaso site na Academies of Sciences, National Research Councils, National Science Association ma ọ bụ otu ndị yiri ya, yana ndị otu sayensị 80, ha niile bụ mkpakọrịta sayensị mba ụwa, ma ọ bụ ọha na eze na otu dị iche iche na usoro mmụta ihe ọmụmụ dị iche iche. .