MIDTERM - PPT 1

Question 1

the absolute growth rate of humans has stabilized at ____ per year – this means that approximately 150 babies are born every minute.

Answer 1

1.1%

Question 2

To survive , humans need to ____ and ____.

Answer 2

consume materials and space

Question 3

We occupy land to reside in, to ____, to ____.

Answer 3

to grow food, to dump wastes

Question 4

____ is generally defined as a group of individuals of the same species occupying a given area at a given time.
____ can change over time.

Answer 4

Population

Question 5

Understanding the dynamics of human population requires knowledge of the general principles of ____.

Answer 5

Population Ecology

Question 6

It is the means to understand the influence of populations to the environment. It is the study of populations and their interactions with their environment.

Answer 6

Population Ecology

Question 7

The environment influences populations in terms of its:

Answer 7

• density and distribution
• age
• structure
• size

Question 8

It is the pattern of spacing among individuals within the boundaries of the population.

Answer 8

Dispersion

Question 9

It is the most common pattern of population dispersion.

Answer 9

CLUMPED PATTERN

Question 10

It is when individuals are evenly spaced over the area they occupy. A pattern seen in species whose individuals do not have close interactions.

Answer 10

UNIFORMLY PATTERN

Question 11

The individuals of a population have an unpredictable distribution. This pattern is common in species that prefer solitary lives.

Answer 11

RANDOM PATTERN

Question 12

3 types of Dispersion Pattern

Answer 12

Clumped Pattern
Uniformly Pattern
Random Pattern

Question 13

What are the two main characteristics used to describe a population?

Answer 13

Population size and density

Question 14

This represents the maximum population size that a particular environment can support

Answer 14

Carrying capacity

Question 15

Altering Nature to Meet Our Needs

Answer 15

• Reduction of biodiversity
• Increasing use of the earth’s net primary productivity
• Increasing genetic resistance of pest species and disease-causing bacteria
• Elimination of many natural predators
• Introduction of potentially harmful species into communities
• Using some renewable resources faster than they can be replenished
• Interfering with the earth’s chemical cycling and energy flow processes
• Relying mostly on polluting and climate-changing fossil fuels

Question 16

Population size increases because of ____ ?

Answer 16

births and immigration

Question 17

Population size decreaes because of ____?

Answer 17

Population size increases because of births and immigration

Question 18

The average number of children born to women in a population, is called?

Answer 18

total fertility rate

Question 19

It is the key factor that determines population size.

Answer 19

total fertility rate

Question 20

is the actual level of reproduction of a population per individual

Answer 20

Fertility

Question 21

Is known as death rate, it is a measure of the number of deaths in particular population

Answer 21

Mortality rate

Question 22

the act of someone coming to live permanently in foreign country

Answer 22

Immigration (INTO)

Question 23

leaving own country to settle permanently to another country.

Answer 23

Emmigration(EXIT/OUT)

Question 24

also known as birth rate is the total number of live humans births per 1,000 population divided by the length of a period in years.

Answer 24

Fertility Rate

Question 25

Is an **accelerating pattern** of **increasing population size**. it is when data rises over a period of time, creating an upwards trending curve on a graph.

Answer 25

EXPONENTIAL GROWTH

Question 26

According to ____ once the population size exceeds available resources, population growth decreases dramatically.

Answer 26

Malthus model

Question 27

**shows the changes in the patterns of birth rates and death rates** that typically *occur as a country moves through the process of industrialization or development*

Answer 27

DEMOGRAPHIC TRANSITION MODEL

Question 28

POPULATION GROWTH RATE FORMULA

Answer 28

Population Growth Rate = *Birth Rate – Death Rate*

Question 29

POPULATION CHANGE FORMULA IN DTM

Answer 29

Population Change = *(Birth + immigration) – (Death + emigration)*

Question 30

How many stages does the demographic transition have?

Answer 30

Four Stages

Question 31

it is the average number of years that a person in a particular population is expected to live

Answer 31

Life Expectancy

Question 32

one of the tools that *demographers use to understand populations*. provides a snapshot of the current population and can **represent information about the past** and **give potential clues about future problems**

Answer 32

AGE STRUCTURE DIAGRAMS

Question 33

In age structure diagrams, If the **base is very wide compared to the upper parts** of the diagram, then this indicates

Answer 33

indicates a lot of young people in the population compared to older generations i.e. a high birth rate and a rapidly growing population.

Question 34

In age structure diagrams, If the **base is smaller than the upper parts** of the diagram, then this indicates ?

Answer 34

indicates few young people in the population compared to older generations. This population has low birth rates and is shrinking.

Question 35

This refers to the entire number of people of all ages, living in all countries throughout the world.

Answer 35

GLOBAL POPULATION

Question 36

The study of human populations

Answer 36

DEMOGRAPHY

Question 37

They collect and process information about population processes such as fertility, mortality, and migration.

Answer 37

Demographers

Question 38

The annual rate of growth of a population expressed as a percentage

Answer 38

Growth Rate (annual)

Question 39

Replacement-level fertility

Answer 39

Total fertillity rate at which a population exactly replaces itself from one generation to the next , without migration

Question 40

Infant Mortality

Answer 40

Number of deaths per thousand live births of children under one year of age

Question 41

Populatio profile or age structure

Answer 41

A chart or bar graph showing the number of males and females for successive ages in the population

Question 42

Population Momentum

Answer 42

The effect of current poulaiton profile on future population growth; the tendency for population to grow despite a fall in fertility

Question 43

Crude birth rate

Answer 43

The number of live births per thousand in a population in a given year

Question 44

Crude Death Rate

Answer 44

the number of deaths per thousand in a given year

Question 45

Demogrpahic transition

Answer 45

A model that describes population change over time based on the transitions in birth and death rates as societies undergo industrialization

Question 46

fertility transition

Answer 46

a decline in fertility which begins an irreversible trend downwards; completed when replacement-level fertility is achieved