Question

In N = population density at time t, then population density at time +1 can be written as
$N_t+1=N_1+\left[\right(A+B)-(C+D\left)\right]$
Select the correct option for A, B, C and D in the above equation.

• A. A can be mortality and B can be natality
• B. B can be immigration and C can be natality
• C. C can be mortality and D can be immigration
• D. A can be natality and D can be emigration

Answer 1

The correct option is D A can be natality and D can be emigration

A and B are nasality and immigration. They add to population density. C and D are mortality and emigration. They decrease population density