Magana: Kwayoyin cuta na iya kasancewa ƙananan ƙwayoyin da suka yi amfani da kwayoyin halitta mafi girma. A tsawon lokaci, kwayoyin da ba a buƙatar su ta hanyar parasitism sun ɓace. Kwayoyin rickettsia da chlamydia sune kwayoyin halitta waɗanda, kamar ƙwayoyin cuta, zasu iya haifuwa ne kawai a cikin kwayoyin halitta. Sun ba da goyon baya ga wannan zato, kamar yadda dogara ga parasitism zai iya haifar da asarar kwayoyin halitta wanda ya ba su damar tsira a waje da tantanin halitta. Wannan kuma ana kiransa ka'idar degeneration, ko ƙaddamarwa. Tambaya: Mene ne ra'ayinsu?
ƙwayoyin cuta