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1 vote
Arthropods have an exoskeleton made of _____.

chitin
cellulose
silica
cartilage

User Seni
by
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2 Answers

3 votes

Arthropods have an exoskeleton made of CHITIN.

User Edgar Ortega
by
8.5k points
5 votes
they are definitely made of chitin
User Oliva
by
8.2k points
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