Population Problem

How many people are there roughly in the world today?

• 5.4 Billion

• 6.8 Billion

• 7.7 Billion

By 2050 there will be about ...............people in the world

Tags

NGSS.MS-ESS3-4

When there is overpopulation?

• When there are people in excess and damage the environment.

• When there are many people in the same environment.

• When there are few people in the same environment

Tags

NGSS.MS-ESS3-4

Name the population policy China has adopted to reduce its population growth rate.

• One child policy

• Three or more policy

Explain the consequences if the country is overpopulated. (Hint: you can tick more than one answer)

• Shortage of food. People in overpopulated country suffer from poor health and malnourished so this reduces food productions as less number of people works in primary sector.

• Inadequate infrastructures. The governments are not able to provide good infrastructures and services such as school, hospitals, clinics.

• Shortage of houses. They live in squatter settlements. They cannot afford to own a good house so they build their own houses from scrap materials like metal sheets and woods which lack of services such as sanitation, water and electricity.

• Bad traffic congestion. People own vehicles and commute to work daily. Traffic congestion especially during working hours cause people to be late and not punctual to work/school. Overuse of vehicles, increases air and water pollutions. Increase smokes release to air from carbon dioxide released from factories and car exhaust fumes.

• Increase crime rates. People are jobless, end up to do crimes eg robbery and theft to support themselves.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What is the meaning of underpopulation?

• There are few people to support the current economic activities of the areas.

• Too many people and not enough resources.

• Number of people living in a unit area of land.

• One child policy, China

__________ happens when there are too many people living in an area.

• A. population

• B. overpopulation

• C. community

• D. A &B are correct

Tags

NGSS.MS-ESS3-4

What are the effects of overpopulation?

• A. There's a lot of pollution in big cities.

• B. One cause is that people's life expectancy has increased.

• C. Yes, it does.

• D. Because there are too many cars.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

Which one of these is not a reason for the rapid population growth?

• Increased Birth Rate

• Poverty

• Increased Death Rate

• Easy Access to Essential Resources

Advances in medicine and in farming have increased

• human population growth

• biodiversity

• renewable resources

• exotic species

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1