You Are Studying with a Classmate Who Asks You About

question 9

Multiple Choice

You are studying with a classmate who asks you about the concept of a replacement rate.She wants to know what happens to a population if the replacement rate is reached? She assumes the average human replacement rate is 2.0.What would you tell her?

• A)When replacement rate is reached,the population declines.The replacement rate is slightly greater than 2.0 because of childhood mortality.
• B)When replacement rate is reached,the population increases.The replacement rate is slightly lower than 2.0 to make up for increasing birth rates.
• C)When replacement rate is reached,the population begins to decline.The replacement rate is equal to 2.0 to replace both mother and father.
• D)When replacement rate is reached,the population is in equilibrium.The replacement rate is greater than 2.0 because some individuals die before they reproduce.
• E)When replacement rate is reached,the population begins to declinE.The replacement rate is slightly higher than 2.0 to make up for decreasing fertility rates.

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