If N is the population density at time t, then what would be the population density at time t+1?
Answer & explanation
Correct answer: option 3
If N = population density at time t, then population density at time t+1 can be written as
N (t+1 ) = N (t) [(B+I)−(D+E)]
where,
B and I are natality and immigration. They add to population density.
D and I are mortality and emigration. They decrease population density.