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 also 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 greater than 2.0 to make up for declining birth rates.
B. When replacement rate is reached, the population increases. The replacement rate is lower than 2.0 to make up for increasing birth rates.
C. When replacement rate is reached, the population is in equilibrium. 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 declines. The replacement rate is lower than 2.0 to make up for increasing birth rates.


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.

Biology & Microbiology

You might also like to view...

Energy from ATP is transferred to the reactant of an endergonic reaction by addition of a(n) _____ group to that

molecule..

a. nitrate b. ribose c. deoxyribose d. acetyl e. phosphate

Biology & Microbiology

After the bacteria were left in the dark for two minutes, the bacteria were

a. evenly distributed throughout the chamber. b. clustered on the algal filament. c. clumped along certain areas of the algal filament. d. actively avoiding the algal filament.

Biology & Microbiology

__________ are free-living and usually kill their prey.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Abscesses and boils are often associated with ________.

A. Staphylococcus aureus B. Streptococcus pneumoniae C. Lactococcus lactis D. Streptococcus mutans

Biology & Microbiology