Human Populations Review

Which two events negatively impacted the human population growth?

• Black Death

• Spanish Flu of 1918

• Agriculture

• Ability to digest milk

Which two adaptations positively impacted the growth of the human population?

• Ability to digest starch with salivary amylase

• ability to digest uncooked meat

• Ability to digest lactose in milk

• ability to swim across the Red Sea

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What factor has had the biggest impact on the human population explosion overall?

• ability to make fire

• agriculture

• making clothes

• migrating out of Africa

Which adaptation allows humans to outrun their prey to the point of exhaustion and collapse of the animal?

• little hair covering the skin

• ability to stay awake for over twelve hours

• a larger brain

• sweating to cool down

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NGSS.HS-LS4-4

Choose three - which of the below are environmental consequences of population growth?

• carbon emissions

• polluted water and water scarcity

• suburban sprawl

• Angry people

• food shortages

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The advantage of dark skin tones is

• makes more vitamin D

• better protection from UV light

• better at sweating

• resistant to scratches and cuts

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The advantage of light skin tones is

• greater Vitamin D production

• more sweat production

• more hair

• more protection from UV light

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What is the current size of the human population?

• 1 billion

• 7.7 billion

• 11 billion

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What is the projected population size in 2100?

• 1 billion

• 7 billion

• 11 billion

Which of the following does a population pyramid show?

• death rate of the population

• Total numbers of people in the population

• Percent of males and females at each age range

• average life expectancy