In a certain population of rabbits one year,25 new rabbits are born and 5 move into the population from surrounding areas.However,10 rabbits die,and 5 leave the population.What is the population change?
A) no change
B) 10
C) 15
D) 25
E) 30

Question

In a certain population of rabbits one year,25 new rabbits are born and 5 move into the population from surrounding areas.However,10 rabbits die,and 5 leave the population.What is the population change?​
A) ​no change
B) ​10
C) ​15
D) ​25
E) ​30

Quizplus · Accepted Answer

Population change = births + immigrants - deaths - emigrants
= 25 + 5 - 10 - 5
= 15
Therefore, the best choice is C for a population change of 15.

In a Certain Population of Rabbits One Year,25 New Rabbits