r9andarirei6ulis r9andarirei6ulis

03-03-2016
Biology

contestada

Arthropods have an exoskeleton made of _____.
chitin
cellulose
silica
cartilage

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monnathokop monnathokop

03-03-2016

they are definitely made of chitin

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crybaby222psyc crybaby222psyc

28-01-2019

Arthropods have an exoskeleton made of CHITIN.

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