Contact with some members of this phylum can lead to Irukandji syndrome, with symptoms including tachycardia and vomiting.
One order in this phylum, Pennatulacea, bioluminesces upon contact, and its members employ a balancing organ called a statocyst. Contact with some members of this phylum can lead to Irukandji syndrome, with symptoms including tachycardia and vomiting. The parasitic Myxozoams may belong to Protozoa or to this phylum, whose organisms secrete a (*) basement membrane that is separated from the epithelium by mesoglea. Members of this phylum possess venom-containing cells called nematocysts, used to catch prey or as a defense mechanism. For 10 points, name this phylum of invertebrates like hydras, coral, sea anemones, and jellyfish.
One order in this phylum, Pennatulacea, bioluminesces upon contact, and its members employ a balancing organ called a statocyst.
{Cnidarians}