Chapter 3

Question 1

agricultural density

Answer 1

n. the total number of farmers per unit of arable land

Question 2

arable land

Answer 2

n. land that can be used to grow crops

Question 3

arithmetic density

Answer 3

n. the total number of people per unit area of land; also called crude density

Question 4

carrying capacity

Answer 4

n. the maximum population size an environment can sustain

Question 5

climate

Answer 5

n. the long-term patterns of weather in a particular area

Question 6

crude birth rate(CBR)

Answer 6

n. the number of births in a given year per 1,000 people in a given population

Question 7

crude death rate (CDR)

Answer 7

n. the number of births in a given year per 1,000 people in a given population

Question 8

demographics

Answer 8

n. data about the structures and characteristics of human populations

Question 9

dependency ratio

Answer 9

n. the number of people in a dependent age group (under age 15 or age 65 and older) divided by the number of people in the working-age group (age 15 to 64), multiplied by 100

Question 10

fertility

Answer 10

n. the ability to produce children

Question 11

human migration

Answer 11

n. the permanent movement of people from one place to another

Question 12

infant mortality rate

Answer 12

n. the number of deaths of children under the age of 1 per 1,000 live births

Question 13

life expectancy

Answer 13

n. the average number of years a person is expected to live

Question 14

landforms

Answer 14

n. the natural features of Earth’s surface

Question 15

morality

Answer 15

n. deaths as a component of population change

Question 16

physiological density

Answer 16

n. the total number of people per unit of arable land

Question 17

population density

Answer 17

n. the number of people occupying a unit of land

Question 18

population distribution

Answer 18

n. where people live in a geographic area

Question 19

population pyramid

Answer 19

n. a graph that shows the age-sex distribution of a given population

Question 20

sex ratio

Answer 20

n. the proportion of males to females in a population

Question 21

subsistence agriculture

Answer 21

n. an agricultural practice that provides crops or livestock to feed one’s family and close community using fewer mechanical resources and more people to care for the crops and livestock

Question 22

temperate climate

Answer 22

n. a climate with moderate temperatures and adequate precipitation amounts

Question 23

total fertility rate

Answer 23

n. the average number of children one woman in a given country or region will have during her child-bearing years (ages 15 to 49)