An _____ is an outer covering that supports the soft inner tissues in an arthropod.
arthropod
coelenterate
echinoderm
exoskeleton
invertebrate
3 answers
exoskeleton
The main part of the mollusk's body is called the _____ mass.
medusa
crust
tail
visceral
polyp
medusa
crust
tail
visceral
polyp
visceral
1 answer