Human population

Question 1

What are some reasons for exponential growth in human population?

Answer 1

• advances in the medicl field
• Massive increase in agricultural productivity

Question 2

What are the 3 types of population growth in the human population?

Answer 2

• Rapid population growth
• Stable population growth
• Negative population growth

Question 3

What does a Rapid population growth graph indicate?

Answer 3

• High natality rate
• High mortality rate
  This indicates a low standerd of living, usually in less-developed countries

Question 4

What does a Stable growth graph indicate?

Answer 4

• A dicline in natality (because of good family planning, finacial planning and high level of education)
• A lower mortality rate (higher life expecting because of good medical care and so on)

Question 5

What does a negetive population growth graph indiace?

Answer 5

• Low natality
• Stable mortality
• Increasing emigration

Question 6

What are some factors influencing the shape of a population pyramid?

Answer 6

• A decline in the birth rate of a population leads to narrower base
• A sharp decline in the number of births during crises time leads to a narrower middle section a few decades later
• During wars, can lead to indentation on the male side
• A pyramid with concave sides reflects a high death rate, while one with more convex sides reflects a low death rate