Your answer is Enamel it is the coating on teeth that helps prevent damage.
1.- Description In science, a common, vulgar, vernacular, trivial, or popular name is any name by which a species or other concept is known, and which is not the scientific name.
2.-a principal taxonomic category that ranks above class and below kingdom
3.-biology, taxonomy) A scientific name at the rank of species, with two terms: the generic name (generic epithet, the genus of the species) and the specific name (a term used only in zoology, never in botany, for the second part of a binomial) or the specific epithet (the term always used in botany, which can also be used in zoology).
Scientists have concluded that the average human body contains approx. 37.2 trillion cells. However it depends upon your size compared an average human being. :)<span />
<span>A(n)PRIMITIVE CHARACTER is one present in the common ancestor and all members of the group
Primitive character is also known as ancestral character in phylogenetics. It is defined as a characteristic that has undergone little change since time immemorial and is inherited from a common ancestor of a clad.
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