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Primate adaptation
primate gait/diet
50
Anthropology
Undergraduate 4
02/16/2011

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Term
Food dictates:
Definition
Group Size. Ranging Patterns. Body size. Tooth Morphology.
Term
Food is for:
Definition
Digestion and Assimilation
Term
Main components of food:
Definition
Proteins; Fats; Carbohydrates; Vitamins; Minerals; Water
Term
Minerals include:
Definition
Calcium for bones and teeth; Sodium for water balance; iodine for thyroid function
Term
primates are typically___(in reference to diet)
Definition
Generalists or specialists; ex. if you a fruit eater you are going to be a specialist since some plants are only available different times of the year. If you eat all types of species then your food doesnt change by the year.
Term
Folivery=?
Frugivory=?
Gramnivory=?
Insectivory=?
Gumnivory=?
Definition
Folivery- Leaf eaters (low quality food, toxins; abundant evenly distributed source)
Frugivory= Flesh eating (Competition, patchy dispersal in space an time; Tasty, brain food, source of sugar)
Insectivory= insect eating (small, hard to catch, chitin hard to digest; lots of energy in a small package)
Gramnivory=Seed eating (poisons, small, tough shells; fats/starches, proteins)
Gumnivory= tree eating (getting through bark, hanging on thick trunks; lots of water/trace elements, abundant, doesnt run out)
Term
primates don't concentrate on one specialization
Definition
most primates are omnivorous, generalists; eat across many tropic levels
Term
Types of locomotion
Definition
leaping (allows for use of discontiunous supports); quadrapedialism (walking on all fours); suspensory (swinging from branch to branch; Bipedialism (gibbons occasionally do this)
Term
Quadrapedialism
Definition
1. Arboreal-movement on continous branches.
2.terrestrial-movement on the ground
2.
Term
suspensory behavior
Definition
1. Branchiation: spider monkeys
2.Climbing: chimpanzees
3.Bridging/clambering: oragutans
Term
Noyau
Definition
simplest primative grouping pattern. found in most nocturnal animals. Female and child make up individual unit. no permanent mixed sex groups. females have choice of sex mate
Term
Monogamous
Definition
one male, one female, one offspring. rare. intense competition, fighting occurs
Term
polyandry
Definition
one female with many males. males may participate in raising offspring.
Term
multi male groups
Definition
bisexual groups. many males and females and all their offspring. offspring migrate eventually.
Term
fission-fusion
Definition
fluid social structure; females forage, males roam in groups.
Term
Solitary
Definition
very rare; males and females only meet to mate. may not exist in primates
Term
primate groups are always changing
Definition
changes as individuals move out, changes with resource availability.
Term
Traits can be expressed:
Definition
Morphologically: big ears, long legs
behaviorally: sociality
Term
selection:
evolution:
Definition
works on the individual level
works on the species level
Term
Disadvantages to living in groups
Definition
1. competition (food, mates, assistance in rearing offspring)
2. bigger groups attract more predators
2.
Term
advantages to group living
Definition
1.Improved access to food (helping locate food-memory, more to forage; hunting in packs; rushing out insects; related groups so to protect the passing on of their genetics)
2. Improved protection from predators( someone on the lookout, herding effect)
3.Access to mates (assistance in rearing offspring)
Term
Classification
Definition
How we order things
Term
taxonomy
Definition
set of rules how we name species
Term
systematics:
Definition
concerned with realtionships btwn species and their relatedness.
Term
class
Definition
class mammalia; subclass eutheria; infraclass euarchontoglires; superorder haplorhini; infraorder anthropoidea; cohort catarhini; superfamily hominoidea; family hominidae; subfamily homininae; tribe hominini; subtribe hominina; genus homo; species sapiens
Term
crown group
Definition
all living groups and their decendents
Term
stem
Definition
includes everything on our side of the split. no living desendents
Term
species:
Definition
group of organisms that interbreed that are to produce viable offspring. (how do we access fossils, asexual organisms, or actual potential breeding
Term
biological space time continuum
Definition
variation in time and variation in space. evolution is time, ecology is space.
Term
SMRS
Definition
species mate recognition system. if they sniff and mate then they are the same species. allows species to decide their own kind.
Term
taxonomic inflation
Definition
subspecies are being split into species. naming species can protect them from endangerment.
Term
lumpers model
Definition
chi squared distribution idea.
Term
parsimony
Definition
to choose the simplest model. little branching. want fewest steps since evolution isnt going to switch back and forth. is good. variation is important in evolution
Term
phenetics:
Definition
count and measure characteristics. no weight in importance of characteristics.
Term
cladistics
Definition
what we will use. weighing of different characters to gauge relatedness. only look at derived characteristics.
Term
homoplasy
Definition
independently derived characteristics.
Term
convergence
Definition
dorsal fin on a shark or dolphin
Term
parallelism
Definition
traits that evolve seperately but are developed parallel.
Term
mimicry
Definition
to mock a poisonous or dangerous animal when you yourself are harmless.
Term
homologous traits
Definition
common characteristics derived from ancestral background.
Term
sympleisimorphic:
Definition
primitive
Term
synapomorphies
Definition
dervied characteristics
Term
teeth
Definition
most commonly preserved. including cranium and mandible.
Term
function of the skull
Definition
protect brain, anchor teeth, receptor for senses (eyes, ears, nose)
Term
2 different parts of the cranium
Definition
neurocranium, face
Term
neurocranium
Definition
4 different bones: frontal, parietal, occipital, temporal
Term
face
Definition
frontal, maxillary, nasal bones, lacrimal bones, vomer bone, inferior conch, zygomatic bones
Term
muscles of mastication
Definition
jaw elevators: masseter, medial pterygoid, temporalis
jaw depressors: lateral pterygoid, anterior digastric
Term
lobes
Definition
frontal, parietal, temporal, occipital
Term
sulcus
Definition
groove in brain
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