In arthropods, molting is necessary because $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

Question $22$Answer

a$.$

the exoskeleton is reabsorbed by body tissue

b$.$

the number of appendages increases in numbers as the animal ages and needs a skeletal update

c$.$

the environment slowly destroys the exoskeleton, which therefore must be shed and replaced.$$

d$.$

the chitinous exoskeleton cannot grow