Human Population, Carrying Capacity & Resource Use

Question 0

Define crude birth rate (CBR)

Answer 0

The number of live births per thousand people in a population.

Question 1

Exponential growth

Answer 1

A growth rate which is increasingly rapidly an accelerating rate of growth

Question 2

Equation for CBR

Answer 2

CBR = total number of births/total population x 1000

Question 3

Age specific birth rate (equation)

Answer 3

Age specific birth rate = total number of births/1000 women of any specified year group(s)

Question 4

Define infant mortality rate (IMR)

Answer 4

Total number of deaths of children aged under 1 year per 1000 live births

Question 5

Define life expectancy (E0)

Answer 5

The average number of years that a person can be expected to live, given that demographic factors remain unchanged

Question 6

Define doubling time

Answer 6

The length of time it takes for a population to double in size, assuming it’s natural growth rate remains constant