Human Population

In Rwanda, there are more young children than teenagers, and more teenagers than adults. This age structure indicates a population that

• has stopped growing.

• will double in 30 years.

• has a steady growth rate.

• will decrease in 30 years.

Tags

NGSS.MS-ESS3-4

Most of the worldwide human population is growing exponentially because

• human populations have not reached their exponential curve.

• most countries have not yet completed the demographic transition.

• human populations do not conform to the logistic model.

• the food supply is limitless.

What three factors can affect ANY population's growth rate?

• Birthrate, death rate, migration

• disease, predation, migration

• medicine, agriculture, industry

• life expectancy, sanitation, vaccines

Tags

NGSS.MS-LS1-5

Which of the following would most likely occur if a population exceeded the carry capacity of the environment?

• The birth rate would likely increase.

• Birth rate would be equal to the death rate.

• The death rate would increase.

• Immigration would increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The percentages of individuals found at different age levels make up the ______ of the population.

• carrying capacity

• age structure

• survivorship

• birthrate

What does the term carrying capacity describe?

• The maximum number of birth rates for a population.

• The ability of a population to accept new immigrants.

• The ratio of birth rates to death rates in a population.

• The population size that the environment can sustain.

Tags

NGSS.MS-LS2-4

What is the carrying capacity of the following graph?

• 1000

• 8000

• 800

• 600

Tags

NGSS.HS-LS2-1

If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?

• It will increase.

• It will decrease.

• It will stay the same.

• It will fluctuate.

Tags

NGSS.MS-LS2-4

According to the population pyramid of this country, its population is most likely...

• growing slowly.

• growing rapidly.

• decreasing.

• not changing.

Tags

NGSS.MS-ESS3-4

Which of the following is likely to be affected by a population of 7 billion?

• amount of land for agriculture

• amount of clean water

• number of people who are unemployed

• all of the above

Tags

NGSS.MS-ESS3-4