Earth and Human Activity

What could the population of the Earth be in 2050?

• 4.5 billions

• 7 billions

• 9 billions

• 15 billions

Tags

NGSS.MS-ESS3-4

When did the population start to rise sharply?

• 1650s

• 1800s

• 1950s

• 2000s

Tags

NGSS.MS-ESS3-4

The rate of population growth can be determined by

• adding the number of individuals leaving a population and the number entering the population.

• subtracting the number of individuals leaving a population from the number entering the population.

• multiplying the number of individuals leaving a population by the number entering the population.

• dividing the number of individuals leaving a population by the number entering the population.

The age structure of a ___________ looks like a rectangle with a bulge in the middle.

• non- growing population

• slow growing population

• rapidly growing population

• negative growing population

When resources are abundant,  the population _________. 

• increases

• decreases

• non-growing

• scarce

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Human activities have which type of impact on the environment?

• positive

• negative

• neither positive nor negative

• both, positive and negative

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Individuals leaving the population by 

• birth or by moving to an area to live there

• death  or by moving to an area to live there

• birth or by leaving an area to settle somewhere else.

• death or by leaving an area to settle somewhere else.

When do populations increase?

• when birth rates are smaller than death rates

• when death rates are higher than birth rates 

• when birth rates are higher than death rates

• when birth rates and death rates are equal

Population explosion refers to the _____. 

• estimated world population in 2025 

• number of people who live in poverty

• world population in 1810

• increased rate at which the population is growing

Tags

NGSS.MS-ESS3-4

A ____  aspect of the rapid growth of productive cropland is the environmental impact.

• positive

• negative

• non-growing

• increasing

Tags

NGSS.MS-ESS3-4