Midterm Exam 2

A  Most traits are not bounded by supposed “racial” boundaries but rather vary between two points.

B  The term clinal variation is another term for race or subspecies.

C  The cline is the scale against which variation is measured, from which we can derive the number of distinct races in a region.

D  Most genetic traits sort people into a fixed number of race categories. Clines do not sort people this way but are rare.

A  study of populations in their natural environments.

B  use of material culture to make living possible in certain settings.

C  functioning of all levels of any organism’s biology.

D  replication of environmental conditions and human responses to those conditions.

A  Eocene primates had a smaller brain.

B  Eocene primates had opposable digits.

C  Eocene primates lacked a postorbital bar.

D  Eocene primates had a decreased reliance on vision.

A  North American ancestors migrated south, evolving into platyrrhines.

B  Platyrrhines and catarrhines evolved together from the same lineage in North America.

C  African ancestors reached South America by using the Bering Strait between Asia and North America.

D  Ancestors crossed the Atlantic from Europe to South America.

A  Aegyptopithecus.

B  Apidium.

C  Oligopithecus.

D  Parapithecus.

A  spread of Sivapithecus.

B  development of Dryopithecus.

C  extinction of many primate species.

D  adaptive radiation of Euprimates.

A  12; 3.6

B  3.4; 2.5

C  7; 5.2

D  4.6; 3.5

A  forensic biology.

B  cryptozoology.

C  taphonomy.

D  archaeology.

A  radiocarbon dating

B  radiopotassium dating

C  amino acid dating

D  electron spin resonance dating

A  radiopotassium dating.

B  flourine dating.

C  radiocarbon dating.

D  dendrochronology.

A  paleontology

B  fossilization

C  geology

D  taphonomy

A  cultural dating

B  tree ring dating

C  fission-track dating

D  amino acid dating

A  the polygamous social structure in gibbons

B  unequal access to resources within their environment

C  decreased competition for mates in a monogamous social structure

D  the fact that sexual dimorphism is not related to social structure in gibbons

A  forming long-term cooperative relationships with multiple females.

B  identifying their own rank, based on age, and waiting until reaching a certain age to approach females.

C  conducting infanticide and fighting other males for dominance.

D  bringing females a courtship gift such as fruit or a small mammal.

A  Males compete with each other for mates, affecting their sexual dimorphism.

B  Greater female rank results in reproduction at an older age.

C  Males compete with each other for resources for their young.

D  Females often practice infanticide.

A  the competition for resources to access females.

B  selection of males by females on the basis of disposition, physical appearance, and hierarchical position.

C  the physical competition for access to females.

D  natural selection in one sex caused by a trait’s attractiveness to members of the opposite sex.

A  several adult males and no adult females.

B  one adult male, several adult females, and their offspring.

C  one adult male, one adult female, and their offspring.

D  one adult female, several adult males, and their offspring.

A  the development of alliances between females

B  the development of alliances between males

C  bonding between individuals of the same rank, picking through the skin and hair of another individual

D  bonding between two members of a social group, calming or appeasing the primate being groomed if he or she has a higher dominance

A  red colobus monkeys.

B  bushbucks.

C  bushpigs.

D  baboons.

A  2/1/3/3

B  2/2/2/3

C  2/2/3/3

D  2/1/2/3

A  monkeys and apes, including humans

B  lemurs, lorises, galagos, and tarsiers

C  African and Asian apes only

D  tarsiers, monkeys, and apes only

A  all of the primates of Madagascar

B  all of the New World primates

C  diurnal and nocturnal galagos

D  all of the African primates

A  opposable thumbs.

B  an expanded reliance on sense of smell.

C  a precision grip.

D  short digits.

A  a tooth comb, a grooming claw, and a downward facing foramen magnum

B  a snout, downward-facing nostrils, and longer forelimbs than hind limbs

C  a wet nose, a snout, a tooth comb, and a grooming claw

D  a wet nose, a snout, downward-facing nostrils, and longer hind limbs than forelimbs