A population of 1000 alligators has a birthrate of 400 per year. Each year, 150 alligators die, and 150 leave the population to look for new territory, but 30 alligators arrive from other territories to join the population. What is the annual population growth rate per thousand animals? Calculate also for the population to double.
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Answer:
Population growth rate= 13%
Doubling time = 5.6 yrs
Explanation:
=(30+400)-(150+150)
=430-300=130
=130÷1000
=0.13×100= 13%
70/13%=5.6 yrs
sorry if it's not correct :/