SY21-22 Lesson 6 Population Pyramids Practice

Angel was trying to explain carrying capacity to her mother.  Which of the following descriptions is accurate? Carrying capacity is :

• the maximum number of individuals that an ecosystem can sustain. 
•  the ability of an environment to accommodate a growing population. 
• the greatest number of individuals that an area can sustain over the long term. 
• the maximum number of species that can co-exist in an area. 

Which country is the second most populated in the world but will soon become the most populated?

• China

• United States

• India

• Nigeria

Population density is usually higher in places

• along the coast or near water

• in the high latitudes

• in the desert

• in the mountain ranges

The population is distributed evenly across the world

• True

• False

Why did the earth's population begin to rise dramatically in the 1800s and continue?

• better medicines and healthcare were available

• better farming techniques allowed for more food production

• the Industrial Revolution allowed for technology to assist humans in transportation and mass production of goods

• All of these factors led to population growth

What country has the highest life expectancy?

• US

• Japan

• Australia

• China

Most of the countries with the lowest life expectancy is on which continent?

• North America

• Asia

• South America

• Africa

What might happen if the earth exceeds its carrying capacity?

• There might not be room for people to move around.

• There might not be enough food and water for everyone.

• The continents might sink into the oceans.

• Most of the people on the planet would starve.

Before 1800, the infant mortality rate was much higher than it is now. What does that mean?

• People didn't have a lot of babies before 1800

• Children did not grow very tall before 1800

• Most women were unable to have babies before 1800

• A lot more babies died during childhood before 1800

Which of the following terms best describes the current rate of world population growth?

• Slack

• Leisurely

• Gradual

• Rapid