Question

As population size (N) increases, the per capita

A) birthrate and death rate increase.
B) birthrate increases and death rate decreases.
C) birthrate decreases and death rate increases.
D) birthrate and death rate decrease.

Answer 1

As population size increases, the per capita birthrate and death rate decrease.

Step-by-step explanation:

As population size (N) increases, the per capita birthrate and death rate decrease. This is because when the population size is small, there is usually plenty of food and other resources for each individual, resulting in a high birth rate. However, as the population increases, the availability of resources decreases, leading to a decrease in birth rate. Additionally, competition for resources may increase, causing some individuals to die, resulting in a decrease in death rate. Overall, the population cannot reproduce at the same rate, so both the birth rate and death rate decrease.