Seudónimo
Seudónimo
12-12-2016
Physics
contestada
tools used as nut crackers by chimps and birds
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roguehamster2073
roguehamster2073
12-12-2016
Parrots have nice tough beaks that were formed over time to crack tough nuts and insects.
Chimps use rocks and other tools of their environment to crack tough stuff.
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