Shared Flashcard Set

Details

Primates
Primates Texas Tech
85
Anthropology
Undergraduate 1
03/09/2008

Additional Anthropology Flashcards

 


 

Cards

Term
4 factors that distinguish Primates from mammals
Definition
1. Locomotion
2. diet
3. Sensory trends
4. Life History
Term
anthropoids
Definition
Anthropoidea. traditionally, the suborder includes monkeys, apes, and humans.
More advanced postorbital closure
Term
brachiation
Definition
a form of locomotion in which the body is suspended beneath the hands and support is alternated from one forelimb to the other; arm swinging.
Term
prosimian
Definition
traditionally, the suborder includes lemurs, lorises, and tarsiers.
Term
primates
Definition
members of the order of mammals Primates which includes prosimians, monkeys, apes and humans.
Term
infanticide
Definition
The act of killing an infant to show power.
Term
dominance hierarchies
Definition
Males ranked individually can fluctuate alot
Females ranked by matrilines- very little movement.
Term
polyandry
Definition
a mating system wherein a female continuously associates with more than one male (usually 3-5)
Term
quadrupedal
Definition
using all four limbs to support the body during locomotion; the basic mammalian (and primate) form of locomotion.
Term
sexual dimorphism
Definition
differences in physical characteristics between males and females of the same species. (e.g., humans are slightly sexually dimorphic for body size, with males being taller, on average, than females of the same population)
Term
frugivorous
Definition
having a diet composed primarily of fruits.
Term
arboreal
Definition
tree-living; adapted to life in the trees.
Term
omnivorous
Definition
having a diet consisting of many kinds of foods, such as plant materials (seeds, fruits, leaves), meat, and insects.
Term
diurnal
Definition
active during the day.
Term
prehensility
Definition
grasping, as by the hands and feet of primates. individual control of your digits.
Term
estrus
Definition
period of sexual receptivity in female mammals (except humans), correlated with ovulation when used as an adjective, the word is spelled "estrous."
Term
altruism
Definition
behavior that benefits another individual but at some potential risk or cost to oneself.
Term
Matrilines
Definition
GROUP OF FEMALE DESCENDANTS FROM ONE (OFFSPRING)
Term
Autonomic
Definition
INVOLUNTARY RESPONSES (BLUSHING, ERECTION OF BODY HAIR)
Term
Philopatric
Definition
THEY REMAIN IN THEIR NATAL GROUP- USUALLY FEMALE
Term
Pentadactly
Definition
Retention of 5 digits on your hand and foot
Term
Diet trends differences
Definition
more omnivore and retention of all 4 mamalia teeth
Term
Sensory differences
Definition
Reduced reliance on sense of smell.
increased reliance on sight
Binocular-depth perception
color vision
Diurnal
nails on fingers and toes
larger and more complex brain
Term
Life History differences
Definition
Early stages/gestation - longer
social creatures that need social groups
Term
Characteristics of Prosimians
Definition
most primitive, changed the least
Relatively small brain, lack color vision , nocturnal, have tapetum lucidum, tooth combs, wet nose,

E.Q - 1.1
Term
What is a Tapetum Lucidum
Definition
Membrane at back of eye that reflects and collects all available light

Natural night vision goggles
Term
What is the Encephalization quotient?
Definition
allows us to compare brain size to body size. Humans have 6
Term
What is the Encephalization quotient?
Definition
allows us to compare brain size to body size. Humans have 6
Term
Post orbital bar
Definition
bone that completes eye socket
Term
Habitat of Prosimians
Definition
Lemurs only found on Madagascar
lorises found in Africa and Asia
Tarsiers found in SE Asia
Term
Why are lemurs only on Madagascar.
Definition
Competitive exclusion
Adaptive Radiation
Arboreal Quadruped
Term
What is Adaptive Radiation?
Definition
in absence of competitors or predators, rapid evolution of animals to fit different niches in different environments.

Ex- Darwin's Finches
Term
Lemur characteristics
Definition
tiny size, Arboreal quadruped, Insectivore, solitary, nocturnal and always have twins
Term
Lorises characteristics
Definition
all nocturnal, 1-1.5 lbs, competing with monkeys, 2 types- loris and Galago.
Arboreal quadruped, insectivores
Term
How do Galagos move
Definition
Vertical clinging and leaping- long legs.
can jump to 20-30 times their size.
they are also solitary
Term
Tarsier characteristics
Definition
Found in SE Asia,
Tiny- weigh only few ounces,
nocturnal, vertical clinger and leapers
Fibula and Tibia fused together at ankle
Huge eyes- no tubedium lusodom
Term
Tarsiers have many anthropoid traits, like what?
Definition
dry nose, partial post orbital bar, single births, long gestation period.
Term
Characteristics of Anthropoids
Definition
larger average size and brain size, reduction in sense of smell, color vision, more generalized teeth
Term
What are some characteristics of Platyrhines?
Definition
found in Mexico to South America nose that is flat, broad, nostrils face to sides. New world monkeys

All but one species diurnal. different dental formula 2-1-3-3
Term
What are Callitrichidae?
Definition
The most primitive monkeys, they also have claws.
Term
What are the 2 main divisions of Platyrhines?
Definition
Callitrichiods and Cebids
Term
What is the main difference in Cebids from other platyrhines?
Definition
They have a pre-hensive tail
all other primates don't
Term
Catarrhines have what type of dental formula?
Definition
2-1-2-3
Term
Old World Monkeys or Copithecines have what characteristics?
Definition
wildly distributed, quadropedial, no prehensive tail, all diurnal, woman undergo estrus changes
Term
Characteristics of Hominoids or apes include?
Definition
Only live in tropical forests
larger body size, lack tails, flexible shoulders and hips, suspernsory locomotion
sexual dimorphism
Term
What is suspernsory locomotion?
Definition
move around by hanging underneath branches.
Term
Gibbons and Siamangs or "lesser apes"
Definition
13-25lbs
found in SE Asia
Eat fruit- frugivory
Brachiation
monogamous
Term
What is Brachiation?
Definition
arboreal locomotion in which primates swing from tree limb to tree limb using only their arms. ..
Term
What type of primate is considered to be a "greater ape?
Definition
Orangutan
Gorilla
Chipanzee
Term
What are some characteristics of Orangutans?
Definition
found on only 2 islands
sexual dimorphism
frugivor
quadromauel- 4 handed locomotion
Solitary
Term
What are some characteristics of Orangutans?
Definition
found on only 2 islands
sexual dimorphism
frugivor
quadromauel- 4 handed locomotion
Solitary
Term
Gorilla
Definition
Found in Rain forest of W and E Africa
Harem groups
Knuckle Walking
Largest Living Primate
Terrestrial
Term
What is a Harem Group?
Definition
1 dominant male, 3-5 females
Term
Chimpanzee
Definition
Found in Rain Forests of Sub-Saharan Africa
Ominverous
Termite-Fishing
Fission/fusion Groups
Hunting- other monkeys with sharpened spears.
Term
What is the Human's closest living relative
Definition
Chimpanzee
Term
What is Termite Fishing
Definition
Chimpanzees sharpen a stick or leaf and put it in the termite mound, wait a little bit pull it out and eat the termites.
Term
What is Fusion/Fission Groups
Definition
Chimpanzees practice this, the break up to hunt then come back together to share.
Term
What is Sociobiology?
Definition
The basic interaction between biology and behavior that has evolved over time.
Term
Insectavory- ???
Gumnivory- ???
Frugivory- ???
Folivory- ???
Omnivory- ???
Definition
Insectavory- insects
Gumnivory- trees
Frugivory- fruit
Folivory- leaves
Omnivory- everything
Term
What is Kay's Threshold?
Definition
Animals smaller than 500g are able to survive on only eating insects.
Term
What determines Group Size?
Definition
Predation Pressure
Abundance of food
Body Size
K-selective or R-selective
Term
What is k-selection mean?
Definition
low birth rat, high parental investment, quality of quantity- humans
Term
What does R-selection mean?
Definition
strategy is to have a high birth rate, low parental investment,
quantity over quality
EX-rats
Term
Small body primates overview
Definition
insectivory or gumnivory
solitary
r-selective
Term
Medium Body Primates (monkeys)
Definition
Frugivory or fogivory
small groups, can afford to share food for protection from predators
More k- selective
Term
Large Body Primates Overview (Apes)
Definition
Frugivory, Fogivory or Ominvory
Solitary - fission/fusion
very k- selective
Term
What are some conscious ways primates communicate?
Definition
gestures
vocalization- alarm calls,
Displays are used to intimidate an opponent.
Facial Expressions- blushing
Term
What are so
Definition
Term
What is altruistic estrus?
Definition
Where the females band together to protect the infant, but they expect the others to help them when they need it.
Term
What is Pseudo-estrus?
Definition
fake female signals that they are sexual receptive so the male believes that they child is theirs.
Term
What is the Cenozoic Era?
Definition
the era we live in
mammals become dominant life form
started 65 mya
Term
What is the Paleocene Epic?
Definition
Earliest possible appearance of primates, including purgatorius and Plesidapiforms
Term
Purgatorius
Definition
found manndible with low rounded cusps.
Term
Plesiadapiformes
Definition
80 different species have been identified
primate like molars
ancestors squirrel
procombant incisors- sticks forward.
no post orbital bar
claws instead of nails
not aposable and has a tail
Term
Eocene Epic (55-35 mya)
Definition
Warmest period, everything had a tropical enviroment
1st true primate found-
POMA- primates of modern aspect
Adapids & Omomyids
Term
Adapids
Definition
larger body size
spatulate incisor- tooth broad and flat
still retain large and fang like caines
Term
Omomyids
Definition
small body size, pointed incisors, small caines
fusion of tibula and fibia at ankle
ancesters- tarsers
Term
Grand Coupure
Definition
massive extinction- 60% extinct
Cause separation of Australia and Antarctica.
Term
What was significant about the Oligocene Era? (35-25 mya)
Definition
saw the 1st appearance of anthropoid primates- (monkey grade)
Term
Aegytopithecus
Definition
found in Egypt
had a 2-1-2-3, y-5 molar
full post orbital bar
12lbs- arboreal quadraped
Term
What is the Rafting Hypothesis?
Definition
monkeys rafted over on vegetation
Ex- Madagascar and South America.
Term
Miocene "golden age of Apes"
Definition
Earliest Proconsul- bigger body size, no tail, thin enamel, arboreal quadruped
Term
Kenyapitheus
Definition
Arboreal quad
thick enamal
Term
Sivapithecus
Definition
found in Asia, arboreal quad, face looks like orangutan
Term
Gigantopithecus
Definition
600-700lbs,
8ft tall
ate bamboo replaced by pandas
Supporting users have an ad free experience!