Why human teeth is referred as heterodont, thecodont and diphyodont?
heterodont - an animal which possesses more than a single tooth morphology .like incisors, canines ('eyeteeth'), premolars, and molars.
thecodont- had teeth in sockets
diphyodont - milk teeth and permanent teeth
thecodont- had teeth in sockets
diphyodont - milk teeth and permanent teeth