Dentition mammals the infants have a set of teeth that fall out and are replaced by adult teeth. These are called deciduous teeth, primary teeth, baby teeth or milk teeth. Animals that have two sets of teeth, one followed by the other, are said to be diphyodont. Normally the dental formula for milk teeth is the same as for adult teeth except that the molars are missing. Because mammal teeth are specialised for different functions, many mammal groups have lost teeth not needed in their adaptation. Tooth form has also undergone evolutionary modification as a result of natural selection for specialised
Should Have Known Better shroud into a tender lyric about shoving aside his fear, discovering an oasis of perspective when he looks to his brother’s newborn daughter and sees his mother in her face. When he sings 'nothing can be changed,' he doesn’t sound resigned, but ready to look forward. It’s the dawn at the end of a long night, a prayer that past traumas might be healed by a beautiful present." Should Have Known Better "Should Have Known Better" is a song by American singer-songwriter and multi-instrumentalist Sufjan Stevens. It is the second track and second single from his seventh studio album, "Carrie