Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: Tsuntsaye suna da yatsunsu biyar a kowane gefe (pentadactyly), tare da kusoshi na keratin a ƙarshen kowane yatsa da yatsun kafa. Ƙarƙashin gefen hannu da ƙafa suna da ƙwayoyin ƙwayoyi a kan yatsunsu. Yawancin suna da yatsun hannu masu adawa, halayyar halittar da aka fi haɓaka a cikin mutane, kodayake ba'a iyakance shi ga wannan tsari ba, (opossums da koalas, alal misali, suma suna da su). Yatsun hannu suna ba wasu nau'in damar amfani da kayan aiki. A cikin dabbobi masu tsinkaye, haɗuwa da yatsun hannu, ƙananan yatsun hannu (maimakon ƙuƙwalwa) da kuma dogon, yatsun hannu masu rufewa na ciki shine ragowar al'adar kakanninmu na riƙe rassan, kuma, a wani ɓangare, ya ba da izinin wasu nau'in don haɓaka brachiation (swinging da makamai daga reshen itace zuwa reshen itace) a matsayin mahimmin hanyar motsi. Prosimians suna da kusoshi masu kama da kusoshi a kan yatsan na biyu na kowane ƙafa, wanda ake kira gidan wanka-claw, wanda suke amfani da shi don grooming. Kashi na wuyan dabba shine babban abu na bel na kirji; wannan yana ba da damar haɗin gwiwa mai ɗorewa. Idan aka kwatanta da tsohuwar tsohuwar duniyar, biri yana da haɗin gwiwa da makamai masu motsi saboda yanayin baya na scapula, manyan cages masu fadi waɗanda suke da kwance a gaba zuwa baya, gajere, ƙasa da motsi, kuma tare da ƙananan vertebrae sosai rage - sakamakon asarar wutsiya a wasu nau'in. Ana samun wutsiyoyi masu kamawa a cikin atelids, gami da howler, gizo-gizo, gizo-gizo mai gashi, birai masu gashi; kuma a cikin capuchins. Maza maza suna da azzakari mai ratsawa da ƙwayoyin ƙwayoyin cuta.  Tambaya: Dabbobi masu hankali suna da me?
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