Answer:
im sorry i need the p so sorry
Explanation:
im sorry
Answer:
8 classes of order or taxonomic ranks?
Explanation:
kingdom
phylum
class
order
family
genus
species
The answer you are looking for is chitin.
According to a page that I found with info on the subject,
"All arthropods have bodies divided into segments and covered with a hard EXOSKELETON. This tough casing is made of a protein called chitin, which is also found in human fingernails."
https://www.factmonster.com/dk/encyclopedia/nature/arthropods
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