Human Population Growth

The largest number of individuals in a species that an environment can support long term

• carrying capacity
• emigration
• immigration
• population density

What point on the graph represents the carrying capacity?

• A
• B
• C
• D

When a population grows past the ecosystem's carrying capacity, what happens to the population?

• Continues to grow
• The population starts to die off to return to carrying capcity
• The population will go extinct due to lack of resources
• The population grows then finds a new carrying capacity

Any thing or organism that regulates the size of a population is known as __________.

• a density measure
• a limiting factor
• carrying capacity
• biodiversity

Which has NOT been a major cause of the population explosion?

• modern preventive medicine
• increase in life expectancy
• improved sanitation
• increase in recycling and reusing prodcuts

Which of the following is likely to be affected by a growing human population?

• amount of land for agriculture
• amount of clean water
• amount of air pollution
• all of the above

All of the following are demographic figures used in determining the total population of a country EXCEPT...

• immigration.
• birth rate.
• death rate.
• marriage rate.

The average number of people living in a square kilometer is called...

• urbanization. 
• internal migration. 
• population density. 
• pull factors. 

The number of births compared to the total number of people in a population is:

• death rate
• birth rate
• baby boom
• doubling time

The number of deaths compared to the total number of people in a population is a:

• death rate
• doubling time
• population decline
• birth rate