Which of the following statements about population demography is true?

Which of the following statements about population demography is true?

A – Population demography only deals with declining populations that are in need of intervention in order to survive?

B – Population demography studies how and why populations change over time.

C – population demography is not important to scientists in applied disciplines such as wildlife management

D – population demography deals only with organisms in capture such as zoological gardens.

The J-curve graphs the following type of population growth?

A – exponential growth

B – logistic growth

C – centennial growth

D – continuous growth

E – zero growth