Question

Using the terms B, D, I and E construct equations to express the following (b= birth d= deaths i= immigration e= emigration

a) a population in equilibrium
b) a declining population
c) an increasing population

Answer 1

To express a population in equilibrium, use B = D. For a declining population, use B < D. For an increasing population, use B > D.

Step-by-step explanation:

To express a population in equilibrium, we can use the equation: birth rate (B) = death rate (D). This means that the number of births is equal to the number of deaths, resulting in a stable population size.

To express a declining population, we can use the equation: birth rate (B) < death rate (D). This means that the number of deaths is greater than the number of births, leading to a decrease in population size.

To express an increasing population, we can use the equation: birth rate (B) > death rate (D). This means that the number of births is greater than the number of deaths, resulting in a growth in population size.