Question

In a population of wolves, the birth rate is 4, the death rate is 3, immigration is 2, and emigration is 3. Calculate the population growth by filling in the formula below.

(
+
) – (
+
) =

Since the population growth is
,
the population is
.
In a population of deer, the birth rate is 5, the death rate is 4, immigration is 8, and emigration is 6. Calculate the population growth by filling in the formula below.

(
+
) – (
+
) =

Since the population growth is
,
the population is
.

Answer 1

Wolves:
(4 + 2) – (3 + 3) = 0

Since the population growth is 0, the population is stable.

Deer:
(5 + 8) – (4 + 6) = 3

Since the population growth is 3, the population is increasing.