Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Envi Sci > Human Population > Flashcards

Human Population Flashcards

0
Q

Early environmental resistance factors

A

Competition for food and water
Predator
Disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

During early history, populations survived as a society of

A

Hunter-gatherers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Bridge between africa and eurasia

A

Fertile crescent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How many founder crops, and modern domesticated animals found in fertile crescent

A

8 founder crops

4/5 modern domesticated livestock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Stimulated invention of irrigation in FC

A

Presence of two major river systems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What marked the agricultural revolution

A

Humans settled into towns and villages, unlike nomadic lifestyle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

During the agricultural revo, food supply wasn’t hunted, it was

A

Grown and raised

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cause of population growth in agric revo

A

Greater control of food supply

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Population reached how many by Middle Ages

A

800 Million

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Density dependent limiting factors

A

Famines and disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Caused about half of human death

A

Malaria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Eliminated 1/3 of Europe’s population

A

Black death

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Bubonic plague cause

A

Rats, fleas, bacteria with yersinia pisti

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

New technologies and innovations during Industrial Revolution

A 
Water treatment
Antibiotics
The steam engine
Electricity
Vaccines
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Death rate in newborns

A

Infant mortality rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What happened to IMR during industrial revo

A

Massive drop

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Drop in IMR means

A

Increase in overall average life expectancy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Life expectancy pre-industrial in Britain

A

25-40

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Industrialized farming, water treatment, modern medicine removed

A

Density dependent limiting factors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

When does exponential growth occur?

A

Population size and rate of growth increases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

How does doubling time measure growth

A

Estimating how long a population will double in size with its current rate of growth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Doubling time equation

A

70 / current % growth rate

22
Q

Study of human population

A

Demography

23
Q

Group of interbreeding species found in same habitat

A

Population

24
Q

Developing countries have population rates that tend to be

A

Grows more rapidly
Younger
Poorer

25
Q

Developed countries tend to be

A

Decreasing population size
Older
Wealthy

26
Q

Comparing developed and developing countries require these demographic variables

A

GDP
Life expectancy
Total fertility rate

27
Q

How long an average newborn will live in a society

A

Life expectancy

28
Q

Average number of children a woman will have in her lifetime

A

Total fertility rate

29
Q

What is GDP

A

Standard of living measurement

30
Q

Growing population has a fertility rate

A

Above replacement level

31
Q

Below replacement level meansq

A

Shrinking population level

32
Q

GDP is highly correlated with

A

Life expectancy and infant mortality rate

33
Q

People move out of an area

A

Emigration

34
Q

Move to a new area

A

Immigration

35
Q

What immigration offsets does to a developed country

A

Delays normal pop decline

36
Q

Population pyramids factor

A

Age distribution and gender

37
Q

Increased likeliness to have more children

A

Pronatalist pressures

38
Q

What lead drop in death rates during transition pd

A

Access to food

Improved medicine

39
Q

During late transition stage, what efforts were done for

A

Reduce birth rate

40
Q

Slow pop increase

A

Late transition stage

41
Q

Balanced birth and death rates

A

Industrial age

42
Q

Status of total fertility rate during industrial pd

A

Close to replacement level

43
Q

Birth rate during postnatal stage

A

Falls

44
Q

Fertility rate below replacement level

A

Post-industrial stage

45
Q

4 stages of demographic transition

A

Preindus
Transitional
Indus
Postindus

46
Q

World population will stabilize during

A

Next century

47
Q

Low pop size

A

8 B

48
Q

Med pop size

A

9.3 B

49
Q

High p size

A

13 B

50
Q

Shape of pop curve that grows exponentially

A

J

51
Q

Pop growing at its biotic potential

A

Exponential

52
Q

Limits pop growth because of limited resources

A

Carrying capacity

53
Q

S shape of graph grows until it reaches

A

Stable size based on carrying capacity

Envi Sci (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions