Anth 101

Front 1

Together, all of the alleles contained within a group of interbreeding individuals is known as a:

Back 1

gene pool

Front 2

Fitness trade-off refers to selection favoring which genotype?

Back 2

heterozygous

Front 3

While conducting research with a small population in South America you note that an overwhelming majority of individuals exhibit signs of a specific genetic abnormality. This is most likely the result of:

Back 3

founder effect

Front 4

Evolution can best be defined as:

Back 4

a change in allele frequencies in a breeding population over time.

Front 5

When individuals of the same species are reproductively isolated, genetic differences may accumulate in sufficient number so that new species could emerge. Such an event would be an example of:

Back 5

macroevolution

Front 6

Another name for the evolutionary force called gene flow is:

Back 6

admixture

Front 7

Australian aborigines are an endogamous society. This means that marriage and reproduction take place within the group, leading to:

Back 7

decreased genetic diversity due to a lack of admixture

Front 8

What effect does natural selection have on population variation?

Back 8

It decrease variation

Front 9

The vector for transmitting the malarial parasite to humans is:

Back 9

mosquitoes

Front 10

The evolution of the modern horse with a single hoof on each limb from a dog-sized ancestor with multiple digits is an example of:

Back 10

macroevolution

Front 11

Franz Boas:

Back 11

showed that U.S.-born children had different head shapes than their immigrant parents.

Front 12

Melanin:

Back 12

is advantageous because it provides protection from solar radiation

Front 13

Johann Friedrich Blumenbach:

Back 13

categorized skulls into five racial types

Front 14

R.C. Lewontin found that human “races” have no taxonomic significance. He demonstrated this:

Back 14

through research indicating that most genetic variation is found across human populations

Front 15

The prenatal stage in humans consists of:

Back 15

trimesters

Front 16

Allen’s rule indicates that humans will have:

Back 16

longer limbs in hot environments and shorter limbs in cold environments.

Front 17

Sexual maturation or puberty is marked by:

Back 17

menarche in girls

Front 18

David Barker’s research on poor early health led to the hypothesis that:

Back 18

poor health during the fetal period results in the reduced ability to maintain homeostasis.

Front 19

The obesity pandemic is due to:

Back 19

the increased ability to produce and consume inexpensive, high-fat foods

Front 20

The maintenance of homeostasis

Back 20

involves all levels of any organism’s biology.

Front 21

The increased brain size observed in the order Primates:

Back 21

results in extended periods of nursing and development to accommodate increasing behavioral complexity and demonstrates the importance of intelligence in primate evolution.

Front 22

Modern primates are characterized by arboreal adaptations, including:

Back 22

opposable thumbs

Front 23

Primates are characterized by:

Back 23

arboreal adaptation, dietary plasticity, and parental investment

Front 24

Primate females:

Back 24

give birth to fewer offspring than do many other mammals

Front 25

The genetic classification for apes and humans:

Back 25

includes three subfamilies within hominids: pongines, gorillines, and hominines

Front 26

Relative to other primates, prosimian adaptations include:

Back 26

an enlarged olfactory bulb and enlarged scent glands.

Front 27

While observing primates at the zoo, you notice that the particular monkey you are watching uses its hands, feet, and tail to move throughout the trees in its enclosure. This is most likely:

Back 27

a New World monkey, because many of these species have a tail with grasping abilities similar to those observed in nonhuman primate hands and feet

Front 28

The typical catarrhine dental formula is:

Back 28

2 / 1 / 2 / 3.

Front 29

A feature unique to human teeth and human ancestors’ teeth is:

Back 29

a canine that shows wear on the tip.

Front 30

Strepsirhines have:

Back 30

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