test 7
when collecting soil from a crime scene, samples in a perimeter of ____ from the crime scene should be collected
20 to 25 feet
babies are born with almost 300 bones that gradually fuse to form ______ adult bones
206
_____ in continental sand means that the sand is very old
a high percentage of quartz
strontium is
a naturally occurring element found dissolved in groundwater
DNA analysis conducted on microbes in the soil requires ______
a sample of just 200 mcg
the occipital protuberance is ______
an attachment for muscles and tendons of the neck
When collecting soil at a crime scene, ______ of material should be collected from several locations
at least 4 tablespoons
sand is
coarse, feels granular, and circulates air easily
the water content of the soil is found by
conducting chemical testing
during a microscopic analysis of sand, the presence of _____ indicates that the sand came from warm water
coral fragments
An American is credited with being the first to use soil evidence to solve a crime
false
LABRADOR is the acronym for trained cadaver dogs used to respond to the scents of a decomposing body
false
bone disorders such as arthritis require CT scans for detection
false
bone identification was first used in a murder trial in 1950
false
carbon-13 is used to identify ethnicity
false
sand containing skeletal remains of marine organisms is called oolitic sand
false
soil samples are as specific as fingerprints
false
tendons connect two or more bones
false
the epiphyseal plate is also called the cartilaginous plate
false
If more than one material is found in a sand grain, the grain is called a ____
fragment
In a soil profile, O, A, B, and C are
humus, topsoil, subsoil, and broken rock
The bottoms of bays, lagoons, swamps, or river floodplains have sand classified as
immature sand
human bone
is always being produced and broken down
peaty soil
is more than 20 percent humus and are acidic
pubis symphysis
is the cartilage that softens in the pelvic area during pregnancy
using _____ of skeletal remains, a scientist can determine where a person lived
isotope ratio analysis
sand grains of similar size, color, and angularity is
more common is desert regions
people with ____ have bones that are weak from calcium loss
osteoporsis
a fully ossified skull indicates that the victim is
over the age of 60
damage to bones shortly before, or at the time of death is called a ______ injury
perimortem
analyzing reactions of soil components to UV light is considered
physical analysis
______ is the projection of the upper jaw and/or the lower jaw beyond the face
prognathism
skeletal remains with bowed legs may indicate that the victim suffered from______
rickets
when identifying remains as human or animal, osteons are ______.
scattered in humans
the female pelvic area has a _____
subpubic angle off greater than 90 degrees
the percentage of moisture content of soil is determined by ______
subtracting the mass of dry soil from the mass of moist soil and dividing the difference by the mass of dry soil
the epiphyseal line is ______
the remainder of the growth plate after ossification
DNA phenotyping creates a computer-generated "photograph" of the victim
true
HIgh-performance liquid chromatography coupled with gas chromatography analysis has proven nearly 100 percent accurate in comparing soil samples.
true
When estimating the number of people buried at a site, a forensic anthropologist counts the number of skulls or femers
true
a forensic anthropologist analyzes skeletal remains to determine age, sex, stature, and ethnicity
true
antemortem and postmortem images taken many years apart can be hard to compare
true
during physical analysis of soil, forensic analysts examine how the soil is sorted.
true
organic material is carbon-based material.
true
quartz does not easily undergo chemical weathering
true
soil locations have distinctive physical and chemical characteristics
true
the deceased must be past puberty to determine the sex of skeletal remains
true
today, forensic soil analysis is used to estimate PMI using microbes in the soil
true
when examining skeletal remains, forensic anthropologists follow the standard procedures_____
used in the 1850 murder trial of Dr. Webster
_____ sand is usually dark as a result of the presence of black basalt or green olivine
volcanic
