You Are Studying with a Classmate Who Asks You About

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.