Unit 4: human population and land use

Question 1

effects of overpopulation

Answer 1

hunger
poverty
disease
depletion of resouces
habitat fragmentaion = loss of biodiversity
pollution
climate change

Question 2

ecological footprint

Answer 2

quantity of nature it takes to support people or an economy
measure of sustainability
more developed = higher footprint

Question 3

world population

Answer 3

8.2 bol

Question 4

us population

Answer 4

346 mil

Question 5

mst populous contries

Answer 5

india (1.45 bil)
china (1.42) bil
us 346 mil

Question 6

repplacement level fertility

Answer 6

number of children a couple would have to replace themselves
developed countries = 2.1
developing = 2.5+

Question 7

total fertility rate

Answer 7

average number of children a woman will have
decreases as country develops
world average = 2.3
highest = niger
lowest = honh kong sand s kodsa

Question 8

birth rate

Answer 8

rate at which the births take place in a pop during a particlar time period
(# of births/pop)(100)

Question 9

decreasing fertility and birht rate

Answer 9

education
access to contraception and family planning
anti-natalist policies

Question 10

life expectencies

Answer 10

increase as contries develop
women live longer

Question 11

migration

Answer 11

immigraion: tp a country
emigration: from a country
due to poltiical, demographica, econamic, social, and environemtal factos

Question 12

global growth rate

Answer 12

tfr dropping
pop is increaseing at a decreasing rate
due to demographic transision

Question 13

population density

Answer 13

how many individuals per capita in an area
# of individuals/unit area

Question 14

crude birth rate

Answer 14

the annual number of births per 1000 people in a pop
(# births in yr/total pop) (1000)

Question 15

crude death rate

Answer 15

the annual number of deaths per 1000 people ina pop
(#deaths in yr/total pop)(1000)

Question 16

national growth rate

Answer 16

how a countrys pop has cchanged over time, expressed as a percent
((crude births + net immigraion) - (crude deaths + net emmigration))/10 OR (((births + imigration) - (deaths + emigration))/total pop)(100)

Question 17

doubling time

Answer 17

rule of 70
predicts when a population will double based on growth rate
70/growth rate

Question 18

finding future growth

Answer 18

using the growth rate to perdict future pop
(initial pop) (1+growth rate as decimal)^yrs = final pop

Question 19

population pyramids

Answer 19

snapshot of pop of country at a given time
shows proprtion at varios ages
shape indicates if pop is growing, stalled, or decreasing

Question 20

demographic transision

Answer 20

transition from high to low birth and death rates in a country as development occurs

Question 21

pre-industrial stage

Answer 21

high cbr = high cdr
high infant mortality, disase, poor health care, short life expectency
no countrie in theis stage

Question 22

transitioning stage

Answer 22

rapidly growing pop
death rates decline
imrpved heath cade, acess to water and food
high fertility rates
afghanistan, nigeria

Question 23

industrial stage

Answer 23

slowly growing pop
economy and educatpion o,rpves
fam income up
access to contraception
india, mexico, china

Question 24

post industrial stage

Answer 24

cbr is less than cdr
high affluence
more elderly
japan, italy, greece

Question 25

decline stage

Answer 25

women having 0-1 childnre
pop declines
gov incentives to have kids
south korea, germany

Question 26

negative impacts of pop decline

Answer 26

economic burden on younger generation
labor shortages
less entrereneurship
less innovation