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If 8 individuals in a population of 80 butterflies die in a week, calculate the death rate of the population of butterflies during that period.
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Solution
Death rate = `"Total number of death"/"Total population" xx 1000`
Thus, the death rate is equal to 100 deaths per 1000 individuals per week.
It can be also calculated directly like
It can be also calculated directly like.
8/80=0.1 deaths /week
Concept: Population Growth
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