Baktéríà: Ìyàtọ̀ láàrin àwọn àtúnyẹ̀wò

'''Baktéríà''' ({{Audio-IPA|en-us-bacteria.ogg|[bækˈtɪərɪə]}}; ''ikan'': Bakterio) je idipo ninla awon ohun [[microoganism|elemintintinni]] [[Prokaryote|prokarioti]] ti won ni [[cell (biology)|ahamo]] eyokan. Gigun won je [[micrometre|mitatintinni]], idasi bakteria je orisirisi, lati [[sphere|roboto]] de opa de ilo. Bakteria wa nibi gbogbo ni [[Earth|ile-aye]], won wu ninu [[soil|erupe]], omi kikan gbigbona, idoti<ref>{{cite journal |author=Fredrickson JK, Zachara JM, Balkwill DL, ''et al.'' |title=Geomicrobiology of high-level nuclear waste-contaminated vadose sediments at the Hanford site, Washington state |journal=Applied and Environmental Microbiology |volume=70 |issue=7 |pages=4230–41 |year=2004 |month=July |pmid=15240306 |pmc=444790 |doi=10.1128/AEM.70.7.4230-4241.2004}}</ref>,[[omi]], ati jinjin ninu ile aye, bakanna ninu elo elemin, ati ninu ara awon [[plant|ogbin]] ati [[animal|eranko]]. 40 legbegberun [[cell (biology)|ahamo]] bakteria ninu erupe gramu kan be sini egbegberun kan ahamo bakteria lo wa ninu omi; lapapo egbegberunkasan marun (5×10³⁰) bakteria lowa ni aye<ref name=pmid9618454>{{cite journal |author=Whitman WB, Coleman DC, Wiebe WJ |title=Prokaryotes: the unseen majority |journal=Proceedings of the National Academy of Sciences of the United States of America |volume=95 |issue=12 |pages=6578–83 |year=1998 |month=June |pmid=9618454 |pmc=33863 |doi=10.1073/pnas.95.12.6578}}</ref> ti won sedajo opo [[biomass|isupoalaaye]] ni agbaye.