The graph below shows the population of mice living in a certain area over fifteen years Which numeral on the graph points to a time when the birth rate exceeded the death rate of the mice?

I

II

III

IV​​

Answer:

I

Explanation:

In section I, the graph has a positive slope.

Birth rate - death rate = positive, the birth rate is more than the death rate

Sections II and IV have a balanced population where the birth and death rate are the same

In section III the death rate exceeds the birth rate

The numeral I on the graph points to a time when the birth rate exceeded the death rate of the mice.

The mortality rate, also known as the death rate, is a measure of the number of deaths in a given population per unit of time, scaled to the population's size.

The birth rate is the number of people born in a population in a given period of time. The number of people born per year per 1000 in the population is referred to as the human birth rate.

In section I, the graph has a positive slope. Birth rate and death rate difference is positive here, it means the birth rate is more than the death rate.

Sections II and IV have a balanced population with the same birth and death rates. Section III has a higher death rate than a higher birth rate.

Thus, the answer is numeral I.

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