Unit 3

Question 1

Population

Answer 1

all the inhabitants of a particular town, area, or country.

Question 2

Population density

Answer 2

the amount of organisms are in a population

Question 3

Distribution

Answer 3

the action of sharing something out among a number of recipients.

Question 4

Exponential growth

Answer 4

growth whose rate becomes ever more rapid in proportion to the growing total number or size

Question 5

Carrying capacity

Answer 5

the number of people, other living organisms, or crops that a region can support without environmental degradation.

Question 6

Natality

Answer 6

birth rate

Question 7

Mortality

Answer 7

Death

Question 8

Immigration

Answer 8

the action of coming to live permanently in a foreign country.

Question 9

Emigration

Answer 9

the act of leaving one’s own country to settle permanently in another

Question 10

Limiting Factors

Answer 10

Limiting Factors

Question 11

Replacement Level

Answer 11

the amount of fertility needed to keep the population the same from generation to generation

Question 12

Demographers

Answer 12

the statistical study of human populations

Question 13

Life expectancy

Answer 13

the average number of years that a group of persons

Question 14

Age Structure

Answer 14

The composition of a population in terms of the proportions of individuals of different ages

Question 15

Fertility rate

Answer 15

the number of children born alive to women of that age during the year

Question 16

Tragedy of the Commons

Answer 16

economical theory that postulates that individuals tend to exploit shared resources such that the demand greatly outweighs supply

Question 17

Ecological Footprint

Answer 17

how fast we consume resources and generate waste compared to how fast nature can absorb our waste and generate resources

Question 18

What are the three different types of population dispersion?

Answer 18

Uniform dispersion
Random dispersion
Clumped dispersion

Question 19

What is an example of a population?

Answer 19

the entire student body at a school

Question 20

When does a population pass the carrying capacity?

Answer 20

when the maximum population size is reached for a given area with limited resources

Question 21

What factors decrease the population growth rate?

Answer 21

limitations in food, predation, and disease

Question 22

What is the shape of an exponential growth curve?

Answer 22

j

Question 23

What is the shape of a logistic growth curve?

Answer 23

s

Question 24

What are the 3 phases of logistic growth?

Answer 24

an initial establishment phase in which growth is slow, a rapid expansion phase in which the population grows relatively quickly, and a a long entrenchment stage in which the population is close to its limiting population

Question 25

What were/are the causes of rapid human population growth?

Answer 25

births and immigration

Question 26

Where are the largest human populations found in the world? (What continent?)

Answer 26

Asia

Question 27

What are some strategies to reduce population growth?

Answer 27

investing in family planning, reducing poverty, and elevating the status of women

Question 28

At what fertility rate will the world population slow down?

Answer 28

1.9 births per woman by 2100

Question 29

What are some characteristics of developing countries?

Answer 29

Low Per Capita Real Income
Mass Poverty
Rapid Population Growth

Question 30

What are some characteristics of developed countries?