Question

Annual birth and death rate per thousand is 20 & 13. Find number of years by which

population will be doubled.​

Answer 1

Answer:

To calculate the growth rate, you simply subtract the death rate from the birth rate. In this case, the growth rate (r) of the emperor penguin population in Antarctica is 0.3 – 0.1 = 0.2 new individuals per existing individual, per year.