A cockroach shed its exo skeleton several times a year. This activity is necessary for insects to survive find out?
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this activity is needed as the exoskeleton is made up of chitin which does allow growth but up to a certain limit so in order to grow more they shed the skin(chitinious covering).
thanks for asking
kuldeepanshpbnfcs:
what is chitin
chitin is a material which is hard and flexible
thx
ok no problem
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