Role of the exoskeleton MISC@1 contain rigid and resistant components that fulfil a set of functional roles including protection , excretion , sensing , support , feeding and -LRB- for terrestrial organisms -RRB- acting as a barrier against desiccation .

MISC@1 contain rigid and resistant components that fulfil a set of functional roles including protection , excretion , sensing , support , feeding and -LRB- for terrestrial organisms -RRB- acting as a barrier against dessiccation .
