Digestive enzymes.
D000222:Adaptation, Physiological; D000818:Animals; D000845:Annelida; D001181:Arthropods; D043344:Chordata; D003063:Cnidaria; D004063:Digestion; D004447:Echinodermata; D056890:Eukaryota; D007448:Invertebrates; D008974:Mollusca; D009348:Nematoda; D011161:Porifera
ADAPTATION, PHYSIOLOGICAL; ANNELIDA; ARTHROPODS; CHORDATA; COELENTERATA; DIGESTION; ECHINODERMATA; MOLLUSCA; NEMATODA; PORIFERA; PROTOZOA