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Question

If 6 individuals in a population of 30 frogs died in a year, what would be the death rate in the population during that period?

A
0.7
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B
0.5
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C
0.2
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D
0.1
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Solution

The correct option is C 0.2
Death rate can be defined as the ratio between the number of deaths and the initial population size, in a given time period.

As per the data given in the question,
Initial population of frogs = 30
Number of frogs that died in a year = 6

The following formula can be used to calculate the death rate of a population.
Death Rate=Number of individuals diedInitial population size
Death rate = 6/30
= 0.2
Therefore, the correct answer is 0.2 individuals per frog per year.

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