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human variation
lab final, texas tech
49
Anthropology
Undergraduate 1
04/27/2008

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Term
continuous traits
Definition
trait does not have a set # of phenotypic expression
ex: height, hair/skin color, weight
Term
relationship between genes and environment
Definition
can add more variation
ex: sun tanning skin, vitamin D deficiency
Term
adaptation
Definition
changes in gene frequencies resulting from selective pressures being placed upon a population by environmental factors
Term
acclimatization
Definition
biological changes occuring within the lifetime of an organism that reduce the strain caused by stressful changes in the natural climate or by complex environmental stresses
Term
two types of acclimatization
Definition
temporary and permanent
Term
temporary acclimatization
Definition
occures rapidly and effects fade once the environmental stress has been removed.
ex: tanning, lewis' hunting response
Term
permanent acclimatization
Definition
similar to temporary, but effects remain after stressor is removed
Term
lewis' hunting response
Definition
typical response to immersion of hand in cold water (tingles). temp drops in order to conserve heat
Term
stress
Definition
the body's response to any factor disrupting homeostasis
Term
homeostasis
Definition
balance and stability within the biological system
Term
BMR
Definition
basal metabolic rate: amount of energy used to maintain vegatative functions during the waking state (12 hr after food consumption)
Term
RMR
Definition
resting metabolic rate, metabolic rate 3 hours after food consumption. higher then BMR
Term
RMR formula- female
Definition
(10 x weight [in kg]) + (6.25 x height[cm]) - (5 x age) - 161
Term
RMR formular- male
Definition
(10 x weight[kg]) + (6.25 x height[cm] - (5 x age) + 5
Term
RMR formula- female
Definition
(10 x weight [in kg]) + (6.25 x height[cm]) - (5 x age) - 161
Term
RMR formula- female
Definition
(10 x weight [in kg]) + (6.25 x height[cm]) - (5 x age) - 161
Term
servings of milk, yogurt, & cheese per day
Definition
2-3
Term
vegetable group
Definition
3-5
Term
meats, poultry, fish, dry beans, eggs, and nuts
Definition
2-3
Term
fruit group
Definition
2-4
Term
bread, cereal, rice, & pasta group
Definition
6-11
Term
bread, cereal, rice, & pasta group
Definition
6-11
Term
7 guidelines for healthy diet
Definition
1. eat a variety of foods
2. balance diet with physical activity
3. choose diet moderate in sugars
4. choose a diet moderate in salt and sodium
5. choose a diet with plenty of grain products, veg, and fruit
6. choose diet low in fat, saturated fat, and cholesterol
7. drink alcohol in moderation
Term
caloric intake
Definition
1,600 for adults
2,200 for children, active women, and girl teens
2,800 for teen boys, men, and extremely active women
Term
anthropometry
Definition
measurement of the human being
Term
somatometry
Definition
measurement of the living body
Term
osteometry
Definition
measurement of the human skeleton
Term
purposes of measurment
Definition
- study of evolutionary/micro-evolutionary changes
- search for adaptations to various environments
- assessment of health and developing status
- application and design of human equipment
- selection of particular individuals for particular tasks such as sports, special jobs, and armed forces
- gain insight into the extent of human variability in time and space
- probe interaction between genetic and environmental forces acting on humans
Term
stature
Definition
height
Term
sitting height
Definition
top of head to surface where you're sitting
Term
arm span
Definition
wing span
Term
head length
Definition
measuring from between eyebrows to most projected part of back of the skull
Term
head breadth
Definition
parietal bones
Term
ear-head height
Definition
opening of the ear to apex of head
Term
nasal length
Definition
between eyes to above upper lip
Term
nasal breadth
Definition
nostril to nostril
Term
brachyskelia
Definition
short
50.9
Term
mesoskelia
Definition
middle
51-52.9
Term
macroskelia
Definition
long
53 and under
Term
dolicocrany
Definition
narrow/long headed
up to 74.9
Term
mesocrany
Definition
average
75.0-79.9
Term
brachycrany
Definition
rounded head
80-84.9
Term
hyperbrachycrany
Definition
most rounded
85+
Term
leptorrhiny
Definition
narrow aperture of nose, 47.99
Term
mesorrhyni
Definition
average or medium nose aperture, 48-52.99
Term
platyrrhini
Definition
broad aperture, 53+
Term
blood pressure
Definition
pressure of circulating blood
Term
systolic
Definition
peak pressure of blood in arteries
Term
diastolic
Definition
lowest pressure during resting phase of cadiac cycle
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