Phylum Arthropoda

    Phylum Arthropoda
    Epicuticle is impermeable to water, acting as a barrier for microorganisms and:
    Phylum Arthropoda
    In arthropods, coelom reduced to the:
    Phylum Arthropoda
    Epicuticle is made up of:
    Phylum Arthropoda
    Outer layer of exoskeleton is called: