Shuke-shuke, a matsayinsu na rayayyun halittu waɗanda suke, suna buƙatar sha amma kuma suna ci, tunda idan sun yi ɗayan abubuwa biyu kawai ba zasu ɗauki lokaci mai tsawo ba bushewa. Don hana afkuwar hakan daga gare su, daga farkon lokacin da ƙwayayen suka tsiro kuma suka fitar da asalinsu, suna tsotse ruwan da abubuwan dake narkewa a ciki don su girma.
Amma, Menene ainihin tsire-tsire suke ci? Idan kana son sani, to, zan amsa tambayarka.
Shuke-shuke, don tsira, girma da haɓaka, suna buƙatar abinci da ruwa, kuma suna yin hakan albarkacin tushensu da ganyensu. Na farko, kamar yadda muka ambata a baya, suna shan ruwan da abubuwan gina jiki waɗanda aka narkar da shi daga cikin ƙasa, waɗanda za a yi jigilarsu ta jiragen ruwa masu gudanar da su zuwa tushe, rassan kuma a ƙarshe zuwa ganye. Daga cikin wannan "abinci" muna iya cewa shi "ɗanyen abinci ne" (wanda aka sani da shi ɗanyen ɗanyen itace), wato, abinci ne da har yanzu ba zai iya amfanar da ku ba. Don ya kasance, dole ne hotuna su faru.
Mene ne hotunan hoto? Tsari ne da ganyayyaki ke iya canza hasken rana zuwa abinci. Suna yin wannan godiya ga chlorophyll, wanda shine halayyar koren koren tsire-tsire. Don haka, tare da oxygen tare da haske, haɗe shi da ɗanyen ruwan itace, abin da suke samu shine carbohydrates, sugars da sauran gishirin da zai taimaka musu girma, bunƙasa, ba da fruita fruita kuma, a ƙarshe, su rayu.
Abu mafi ban sha'awa game da wannan shine yayin aiwatarwa suna fitar da iskar oxygen, gas din da dabbobi, har da mutane, ke dogaro da shi sosai. Saboda haka abu ne mai ban sha'awa cewa yayin da tsire-tsire suke ci, sauranmu muna iya numfashi. Amma ka kiyaye, kada kayi kuskuren tunanin cewa basu buƙatar oxygen: tsire-tsire suna numfashi awanni 24 a rana: dole ne suyi idan basa so su mutu cikin ƙoshin lafiya. A saboda wannan dalili, ba zan taba ba da shawarar a watsa ganyen ba ko a shayar da su ba, tunda yin hakan zai toshe kofofin.