501 Critical Reading Questions

Critical Reading Questions
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ture with prisms that run perpendicular to the crown or tip. Enamel
prism patterns can have both taxonomic and evolutionary significance.
Tooth and tusk ivory can be carved into an almost infinite variety of
shapes and objects. A small example of carved ivory objects are small
statuary, netsukes, jewelry, flatware handles, furniture inlays, and piano
keys. Additionally, wart hog tusks, and teeth from sperm whales, killer
whales, and hippos can also be scrimshawed or superficially carved, thus
retaining their original shapes as morphologically recognizable objects.
The  identification  of  ivory  and  ivory  substitutes  is  based  on  the
physical and chemical class characteristics of these materials. A com-
mon approach to identification is to use the macroscopic and micro-
scopic physical characteristics of ivory in combination with a simple
chemical test using ultraviolet light.
382.
In line 5, what does the term 
discrete
most nearly mean?