Brain Pop: Population

What might happen if the earth exceeds its carrying capacity?

• There might not be room for people to move around
• The continents might sink into the oceans
• There might not be enough food or water for everyone
• Most of the people on the planet would starve

Which of the following describes a population?

• The total number of people, animals, and plants in New York City
• The total number of houses in Atlanta
• The total number of people living in the state of Texas
• The total number of fish in all the world's oceans

Which of the following is a true statement about deforestation?

• Once trees are cut down, they can never grow back again
• Trees provide humans with carbon dioxide which we need to breathe
• Animals lose their habitats when too many trees are cut down
• Wood and paper products cannot be recycles

If the world population keeps growing at its current rate, how many people might be alive in 10 years?

• 14 million
• 22 billion
• Between 7 and 8 billion
• 1.5 trillion

Which of the following would be a good step to take to reduce the waste you produce?

• Ask your parents to buy you your own car
• Try to reduce your consumption of electricity and fuel
• Use only electric appliances in your home
• Only buy products with vacuum-sealed plastic packaging

Why are solar and wind power considered alternative energy sources?

• They are an alternative to non-renewable energy sources like fossil fuels
• They are used by people in alternate communities
• They use alternating current instead of direct current
• You can alternate between using solar power during the day and wind power at night

Why would advances in medicine lead to population growth?

• Curing deadly diseases allows people to live longer
• People are unable to have babies without medical help
• Babies do not grow if they don't take their medicine
• New drugs allow mothers to have multiple births, like octuplets

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

How can population growth lead to more pollution

• Too many people breathing causes too much carbon dioxide to enter the atmosphere
• The body heat generated by billions of people leads to an increase in global warming
• More people being born means more paper is needed to print birth certificates
• All people produce waste, so more people equals more waste

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

• Slack
• Leisurely
• Gradual
• Rapid