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ANTH 214
Chapter 7 Key Terms
29
Anthropology
Undergraduate 2
10/16/2013

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Term
bipedal
Definition
Walking on two legs.
Term
brachiation
Definition
Locomotion by swinging arm-over-arm.
Term
cladistic
Definition
A classification system based on order of evolutionary branching rather than on present similarities and differences.
Term
dominance hierarchy
Definition
A social pattern among animal species where there are recognized individual differences in power, influence, and access to resources and mating. Found in many primate species.
Term
estrus
Definition
The period of female fertility or the signals indicating this condition.
Term
grooming
Definition
Cleaning the fur of another animal, which promotes social cohesion. Common among primate groups
Term
intelligence
Definition
The relative ability of the brain to acquire, store, retrieve, and process information.
Term
opposability
Definition
The ability to touch (oppose) the thumb to the tips of the other fingers on the same hand.
Term
phenetic
Definition
A classification system based on existing phenotypic features and adaptations.
Term
postnatal dependency
Definition
The period after birth during which offspring require the care of adults to survive.
Term
prehensile
Definition
Having the ability to grasp.
Term
quadrupedal
Definition
Walking on all four limbs.
Term
stereoscopic vision
Definition
three-dimensional vision; depth perception
Term
symbolic
Definition
A communication system that uses arbitrary but agreed-upon sounds and signs for meaning.
Term
taxonomy
Definition
A classification based on similarities and differences. In biology, the science of categorizing organisms and of naming them so as to reflect their relationships.
Term
Who created the taxonomic system of naming organisms?
Definition
Linnaeus
Term
In a phenetic taxonomy, humans are in the Family of Hominidae because why?
Definition
They are habitual bipeds.
Term
Which two specie share the genus Pan?
Definition
chimpanzees and bonobos
Term
Which classification system is based on order of evolutionary branching?
Definition
Cladistics
Term
The most primitive primates that have a moist naked outer noses are called?
Definition
prosimians
Term
Most primates share which characteristics?
Definition
-stereoscopic vision
-manual dexterity
- high levels of intelligence
Term
Which primate is least social?
Definition
orangutans
Term
The suborder of Anthropoidea includes which?
Definition
- monkeys
- apes
- humans
Term
Which primate has a flat face, no prehinsile feet, but the most dexterous hands?
Definition
humans
Term
stereoscopic vision is an evolutionary adaptation to what and what else is it called?
Definition
also called true dept perception; an adaptation to living in the trees
Term
The Old World catarrhine primates consist of what?
Definition
- Monkeys
- Apes
- Humans
Term
The notochord is the evolutionary precursor to what?
Definition
the vertabral column
Term
Traits that allow members of superfamily Hominoidea to clim and hang from branches include what?
Definition
- a flexible shoulder joint
- a stronger collarbone.
Term
New World and Old work monkeys can be distinguished by which feature?
Definition
their nostrils
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