A dentist is the health care professional who specializes in the diagnosis, prevention, and treatment of diseases and conditions of the oral cavity (including the teeth, gums and other soft and hard tissues of the mouth). Dentists, also known as 'dental surgeons', help us maintain a bright healthy smile.
The dogfish sharks are classified in the phylum Chordata Chordata, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development.
Jellyfish are a group animals within the phylum Cnidaria. Cnidaria is the phylum that contains stinging animals which use nematocysts to capture pretty. There are around 10,000 species in Cnidaria, nearly all living in marine waters. These animals morphologically develop into a sack within a sack.