Which scenario would result in a population growth of zero? Use this formula: population growth = (birth rate + immigration) – (death rate + emigration) 12 individuals emigrate, 12 individuals die, 12 individuals are born, 0 individuals immigrate 16 individuals emigrate, 3 individuals die, 13 individuals are born, 0 individuals immigrate 8 individuals emigrate, 0 individuals die, 20 individuals immigrate,12 individuals are born 10 individuals emigrate, 4 individuals die, 14 individuals immigrate, 0 individuals are born
Question
Which scenario would result in a population growth of zero?
Use this formula: population growth = (birth rate + immigration) – (death rate + emigration)
12 individuals emigrate, 12 individuals die, 12 individuals are born, 0 individuals immigrate 16 individuals emigrate, 3 individuals die, 13 individuals are born, 0 individuals immigrate 8 individuals emigrate, 0 individuals die, 20 individuals immigrate,12 individuals are born 10 individuals emigrate, 4 individuals die, 14 individuals immigrate, 0 individuals are born
Solution
To find out which scenario results in a population growth of zero, we need to plug the numbers into the formula for each scenario and see which one equals zero.
- Scenario 1: population growth = (12 + 0) - (12 + 12) = 0 - 24 = -24
- Scenario 2: population growth = (13 + 0) - (16 + 3) = 13 - 19 = -6
- Scenario 3: population growth = (12 + 20) - (8 + 0) = 32 - 8 = 24
- Scenario 4: population growth = (0 + 14) - (10 + 4) = 14 - 14 = 0
So, the scenario that would result in a population growth of zero is Scenario 4: 10 individuals emigrate, 4 individuals die, 14 individuals immigrate, 0 individuals are born.
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