query: સવાનામાં, મનુષ્ય જેવું પાચન તંત્ર ધરાવતા પ્રાઈમેટ માટે ઉપલબ્ધ છોડના સ્રોતોમાંથી તેની એમિનો-એસિડ આવશ્યકતાઓને સંતોષવી મુશ્કેલ છે.
positive: Out on the savanna, it is hard for a primate with a digestive system like that of humans to satisfy its amino-acid requirements from available plant resources.
negative: Out on the savanna, it is easy for a primate with a digestive system like that of humans to satisfy its amino - acid requirements from unavailable plant resources. Out on the savanna, it is easy for a primate with a digestive system like that of humans to satisfy its amino-acid requirements from unavailable plant resources. Out on the savanna, it is not hard for a primate with a digestive system like that of humans to satisfy its amino-acid requirements from available plant resources.