1.1: Exploring human populations

Question 1

How many times of Canada’s population was added in 2018?

Answer 1

2.3 times (75 million)

Question 2

What is the expected population in 2040?

Answer 2

9.4 billion

Question 3

How much was the population before 5000 BCE

Answer 3

1 to 5 million

Question 4

How were human organized before 5000 BCE

Answer 4

Small nomadic hunter gatherer groups of around 50.

Question 5

What happened in the 5000 BCE?

Answer 5

1. agriculture emerged
2. increased cultivation of land, irrigation and the use of specialized labor force
3. domestication of animals
4. surplus food increased birth rates and reduced mortality

Question 6

How many was the population in year 1?

Answer 6

200 million

Question 7

How many was the poplulation in 1804

Answer 7

1 billion

Question 8

How many did the population increase during 1805-2010?

Answer 8

5.8 billion

Question 9

How many is projected every 10 years from 2011 -2100?

Answer 9

1-2 billion people

Question 10

List the type of resources

Answer 10

1. Fresh water
2. Wood
3. Food
4. Non-renewable Energy
5. Renewable Energy
6. Matals and Minerals
7. Land

Question 11

What does the Human Carrying Capacity means?

Answer 11

the population size for a given species that a specific environment can sustain indefinity given the food, habitat, water and other necessary resources available

Question 12

What is the ecological footprint?

Answer 12

is a measure of a person’s daily demands on the earth’s ecosystems. its the amount of biologically productive area of the earth (both land and sea) needed to produce the resources a person consumes in addition to the area needed to absorb and treat the resulting waste. measured global hectares (gha)

Question 13

What is a Gha?

Answer 13

represents the biological productivity found on one average hectare (a measure of area of the biologically productive parts of the earth

Question 14

Describe the demographic transition model

Answer 14

stability —> high growth —> stability —> decline

Question 15

What happened in the Industrial Revolution in Europe and North America

Answer 15

• faster and cheaper food as a result of new machines and factories
• people migrated from farms in cities
• higher standard of living and lower mortality rates for many people

Question 16

Describe the Green Revolution

Answer 16

• new varieties of wheat and rice
• growing these new crops in combination with synthetic fertilizers, mechanized irrigation lead to higher food supplies

Question 17

A reduction family size was seen due to:

Answer 17

widespread education
the social advancement of women
urbanization
economic opportunity
low risk of infant mortality

Question 18

Signs of slower growth is because:

Answer 18

social and economic development
lower risk of infant mortality
continuing urbanization

Question 19

factors influencing birth and mortality rates:

Answer 19

social and economic development
advances in medicine and agricultures
shifts in cultural attitudes

Question 19

factors influencing birth and mortality rates:

Answer 19

social and economic development
advances in medicine and agricultures
shifts in cultural attitudes

Question 20

What are the three environmental consequences of human population growth

Answer 20

• Pollution
• Climate Change
• Over consumption and habitat loss