a) their numbers were assessed using the minimum number of individuals technique
b) ages of the animals were based on the eruption sequence and degree of wear on the
teeth, and from bone fusion
c) sex was established on the basis of size and pelvic shape
d) all of the above were used
e) none of the above were used
Rock varnishes consist of natural accretions of manganese and iron oxides with organic
matter from microscopic plant debris which accumulate on rock surfaces, and are
metabolized and cemented into a varnish through bacterial action. This rock varnish
may be analyzed using
a) the ratio of stable carbon isotopes 12 and 13
b) the ratio of nitrogen isotopes 15 and 14
c) the ratio of plant DNA relative to modern conditions of plant debris
d) the ratio of oxygen isotopes
e) ultraviolet spectroscopy
Documents and archaeology reveal that the Calusa ate mollusks and crustaceans but